Dyfyniad APA

Rees, S., & Graham, R. S. (1991). Assertion training: How to be who you really are. Routledge.

Dyfyniad Arddull Chicago

Rees, Shân, and Roderick S. Graham. Assertion Training: How to Be Who You Really Are. London ; New York: Routledge, 1991.

Dyfyniad MLA

Rees, Shân, and Roderick S. Graham. Assertion Training: How to Be Who You Really Are. Routledge, 1991.

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