Gaya APA

Lisa G. Aspinwall, Ursula M. Staudinger. (2003). A Psychology of Human Strengths Fundamental Questions and Future Directions for a Positive Psychology . Washington, DC: American Psychological Association.

Gaya Chicago

Lisa G. Aspinwall, Ursula M. Staudinger. A Psychology of Human Strengths Fundamental Questions and Future Directions for a Positive Psychology. Washington, DC: American Psychological Association, 2003. Text.

Gaya MLA

Lisa G. Aspinwall, Ursula M. Staudinger. A Psychology of Human Strengths Fundamental Questions and Future Directions for a Positive Psychology. Washington, DC: American Psychological Association, 2003. Text.

Gaya Turabian

Lisa G. Aspinwall, Ursula M. Staudinger. A Psychology of Human Strengths Fundamental Questions and Future Directions for a Positive Psychology. Washington, DC: American Psychological Association, 2003. Print.