Mendeley - Reference Management Tool
Mendeley is a free reference manager and academic social network that can help you organize your research, collaborate with others online, and discover the latest research.
For your mobile devices; you can access, read, take notes, text highlight and share your documents which are stored in your Mendeley cloud account oniPad, iPhone (official) or Android(3rd party) software.
Find more information in here.
APA Dictionary of Psychology
Google Scholar Search
Britannica Academic Edition
AMERICAN PSYCHOLOGICAL ASSOCIATION
The American Psychological Association is the largest scientific and professional organization representing psychology in the United States. APA is the world's largest association of psychologists, with more than 137,000 researchers, educators, clinicians, consultants and students as its members.
How to Write in Psychology : A Student Guide
Through the use of clearly defined instructions and examples, How to Write in Psychology is a concise and comprehensive guide for the well-prepared student on the principles of writing essays and research papers for psychology.