Cita APA (7th ed.)

Ang, A. (2011). Drugs and substances abuse. A1 Pub.

Cita Chicago (17th ed.)

Ang, Armando. Drugs and Substances Abuse. [Mandaluyong City]: A1 Pub, 2011.

Cita MLA (9th ed.)

Ang, Armando. Drugs and Substances Abuse. A1 Pub, 2011.