Gaya APA

Shertzer, B., C, I, S, S. (NULL). Fundamentals of guidance . New: New York: Hougthon Mifflin; 1971.

Gaya MLA

Shertzer, Bruce., C, I., Stone,, Shelley. "Fundamentals of guidance". New: New York: Hougthon Mifflin; 1971, NULL. Text.