APA استشهاد

Brian Tracy & Christina Tracy Stein. (2012). Kiss That Frog: 12 Great Ways to Turn Negatives into Positives in Your Life and Work. Collins Business.

استشهاد بنمط شيكاغو

Brian Tracy و Christina Tracy Stein. Kiss That Frog: 12 Great Ways to Turn Negatives into Positives in Your Life and Work. Noida, Uttar Pradesh: Collins Business, 2012.

MLA استشهاد

Brian Tracy و Christina Tracy Stein. Kiss That Frog: 12 Great Ways to Turn Negatives into Positives in Your Life and Work. Collins Business, 2012.