Gaya APA

Snyder, C. R.. (2007). Positive psychology : the scientific and practical explorations of human strengths (First published). America: Sage Publications, Inc..

Gaya Chicago

Snyder, C. R.. Positive psychology : the scientific and practical explorations of human strengths. First published America: Sage Publications, Inc., 2007. MPK.

Gaya MLA

Snyder, C. R.. Positive psychology : the scientific and practical explorations of human strengths. First published America: Sage Publications, Inc., 2007. MPK.

Gaya Turabian

Snyder, C. R.. Positive psychology : the scientific and practical explorations of human strengths. First published America: Sage Publications, Inc., 2007. MPK.