Gaya APA

Tracy, G, R., E., I, T, H. (1983). Modern Physical Science . New York: New York: Holt, Rinehart and Winston; 1983.

Gaya MLA

Tracy, George, R., E., I., Tropp,, Harry. "Modern Physical Science". New York: New York: Holt, Rinehart and Winston; 1983, 1983. Text.