Gaya APA

Dreisbach, R, H., Robertson, W, O. (1987). Handbook of Poisoning: Prevention, Diagnosis & Treatment (12th.ed). London: Prentice Hall.

Gaya MLA

Dreisbach, Robert, H., Robertson, William, O. "Handbook of Poisoning: Prevention, Diagnosis & Treatment". 12th.ed London: Prentice Hall, 1987. Text.