Gaya APA

Swanson, C, P., Nelson, R, C. (NULL). Guidance and counseling in the elementary school . New: New York: Holt, Rinehart and winston; 1972.

Gaya MLA

Swanson, Carl, P.., Nelson, Richard, C. "Guidance and counseling in the elementary school". New: New York: Holt, Rinehart and winston; 1972, NULL. Text.