Speroff, L. &. P. D. 9 Pedoman Klinis Kontrasepsi. EGC.
Chicago Style (17th ed.) CitationSperoff, Leon & Philip Darney. 9 Pedoman Klinis Kontrasepsi. EGC.
MLA (8th ed.) CitationSperoff, Leon & Philip Darney. 9 Pedoman Klinis Kontrasepsi. EGC.
Warning: These citations may not always be 100% accurate.