Cita APA (7th ed.)
Worthington, E. L. (1987). Counseling for unplanned pregnancy and infertility. Word Book.
Cita Chicago (17th ed.)
Worthington, Everett L. Counseling for Unplanned Pregnancy and Infertility. Texas: Word Book, 1987.
Cita MLA (9th ed.)
Worthington, Everett L. Counseling for Unplanned Pregnancy and Infertility. Word Book, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.