Παραπομπή APA

Sauer, U., Mann, S., Brima, N., & Stephenson, J. (2013). Offering extended use of the combined contraceptive pill: A survey of specialist family planning services. Dove Medical Press.

Παραπομπή Chicago Style

Sauer, Ulrike, Sue Mann, Nataliya Brima, και Judith Stephenson. Offering Extended Use of the Combined Contraceptive Pill: A Survey of Specialist Family Planning Services. Dove Medical Press, 2013.

Παραπομπή MLA

Sauer, Ulrike, Sue Mann, Nataliya Brima, και Judith Stephenson. Offering Extended Use of the Combined Contraceptive Pill: A Survey of Specialist Family Planning Services. Dove Medical Press, 2013.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.