Gaya APA

Catterall, C, D., M, I, G, G. (1978). Strategies for helping students . New York: New York: Charles C Thomas; 1978.

Gaya MLA

Catterall, Calvin, D., M, I., Gazda,, George. "Strategies for helping students". New York: New York: Charles C Thomas; 1978, 1978. Text.