Gaya APA

Sund, R, B., Carin, A. (1978). CARIN . SUND : Creative Questioning and Sensitive Listening Techniques A Self-Concept Approach (2nd ed). Columbus Toronto London Sydey: Charles E. Merrill Publishing Compay.

Gaya MLA

Sund, Robert, B.., Carin, Arthur. "CARIN . SUND : Creative Questioning and Sensitive Listening Techniques A Self-Concept Approach". 2nd ed Columbus Toronto London Sydey: Charles E. Merrill Publishing Compay, 1978. Text.