Johnston, P. I. (1983). Understanding: A guide to impaired fertility for family and friends. Perspectives.
Cita Chicago (17th ed.)Johnston, Patricia Irwin. Understanding: A Guide to Impaired Fertility for Family and Friends. Fort Wayne, Ind.: Perspectives, 1983.
Cita MLA (8th ed.)Johnston, Patricia Irwin. Understanding: A Guide to Impaired Fertility for Family and Friends. Perspectives, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.