Gaya APA

PIERS, G., Singer, M, B. (1971). Shame and Guilt: A Psychoanalitic and a Cultural and Study . New York: W. W. Norton & Company. Inc..

Gaya MLA

PIERS, Gerhart., Singer, Milton, B.. "Shame and Guilt: A Psychoanalitic and a Cultural and Study". New York: W. W. Norton & Company. Inc., 1971. Text.