Cita APA (7th ed.)

Couch, S., Felstehausen, G., & Hallman, P. (1997). Skills for life. National Textbook Co.

Cita Chicago (17th ed.)

Couch, Sue, Ginny Felstehausen, i Patsy Hallman. Skills for Life. Lincolnwood, Ill: National Textbook Co, 1997.

Cita MLA (9th ed.)

Couch, Sue, et al. Skills for Life. National Textbook Co, 1997.