Gaya APA

Harbeck, R, M., K, I, J, L. (1965). **Physical science . New York: New York: Holt Rinehart; 1965.

Gaya MLA

Harbeck, Richard, M., K, I., Johnson,, Lloyd. "**Physical science". New York: New York: Holt Rinehart; 1965, 1965. Text.