Dyfyniad APA

Abraham, J., & Sheppard, J. (1999). The therapeutic nightmare: The battle over the world's most controversial sleeping pill. London: Earthscan.

Dyfyniad Arddull Chicago

Abraham, John, and Julie Sheppard. The Therapeutic Nightmare: The Battle Over the World's Most Controversial Sleeping Pill. London: Earthscan, 1999.

Dyfyniad MLA

Abraham, John, and Julie Sheppard. The Therapeutic Nightmare: The Battle Over the World's Most Controversial Sleeping Pill. London: Earthscan, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.