Cita APA (7th ed.)

Stangeland, P. (1987). Drugs and drug control. Norwegian University Press.

Cita Chicago (17th ed.)

Stangeland, Per. Drugs and Drug Control. [Oslo]: Norwegian University Press, 1987.

Cita MLA (9th ed.)

Stangeland, Per. Drugs and Drug Control. Norwegian University Press, 1987.