Cita APA (7th ed.)
Couch, S., Felstehausen, G., & Hallman, P. S. (1997). Skills for life. West Pub. Co..
Cita Chicago (17th ed.)
Couch, Sue, Ginny Felstehausen, i Patsy Spurrier Hallman. Skills for Life. Minneapolis/St. Paul: West Pub. Co., 1997.
Cita MLA (9th ed.)
Couch, Sue, et al. Skills for Life. West Pub. Co., 1997.
Atenció: Aquestes cites poden no estar 100% correctes.