Gaya APA
Collins, G, R. (1987).
Counseling For Unplanned Pregnancy And Infertility Jilid X (Trawas) .
London:
Word Publishing.
Gaya MLA
Collins, Gary, R..
"Counseling For Unplanned Pregnancy And Infertility Jilid X (Trawas)".
London:
Word Publishing,
1987.
Text.