Gaya APA

Gegor, H, V, J, M, K, C, L. (2004). Varney's Midwifery 4th ed. . : Jones and Bartlett Publishers.

Gaya MLA

Gegor, Helen, Varney,, Jan, M., Kriebs,, Carolyn, L.. "Varney's Midwifery 4th ed.". : Jones and Bartlett Publishers, 2004. Koleksi Elektronik.