APA (7e ed.) Bronvermelding
Worthington, E. L. (1987). Counseling for unplanned pregnancy and infertility. Word Book.
Chicago (17e ed.) Bronvermelding
Worthington, Everett L. Counseling for Unplanned Pregnancy and Infertility. Texas: Word Book, 1987.
MLA (9e ed.) Bronvermelding
Worthington, Everett L. Counseling for Unplanned Pregnancy and Infertility. Word Book, 1987.
Let op: Deze citaties zijn niet altijd 100% accuraat.