APA (7e ed.) Bronvermelding

Schlaadt, R. (1994). Drugs: Use, misuse, and abuse (4th ed.). Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Schlaadt, R.G. Drugs: Use, Misuse, and Abuse. 4th ed. New Jersey: Prentice-Hall, 1994.

MLA (9e ed.) Bronvermelding

Schlaadt, R.G. Drugs: Use, Misuse, and Abuse. 4th ed. Prentice-Hall, 1994.