Gaya APA

E., I, W, J., Metcalfe, H, C. (1986). Exercises and experiments in modern chemistry . New York: New York: Holt, Rinehart and Winston; 1986.

Gaya MLA

E., I., Williams,, John., Metcalfe, H., Clark. "Exercises and experiments in modern chemistry". New York: New York: Holt, Rinehart and Winston; 1986, 1986. Text.