APA (7e ed.) Bronvermelding

Cowardin, N. W., & Stanfield, J. (1989). LifeFacts 1: Sexuality ; essential information about life... for persons with special needs. James Stanfield.

Chicago (17e ed.) Bronvermelding

Cowardin, Nancy Whelan, en James Stanfield. LifeFacts 1: Sexuality ; Essential Information About Life... for Persons with Special Needs. Santa Monica, Calif.: James Stanfield, 1989.

MLA (8e ed.) Bronvermelding

Cowardin, Nancy Whelan, en James Stanfield. LifeFacts 1: Sexuality ; Essential Information About Life... for Persons with Special Needs. James Stanfield, 1989.