APA
(1990). Norplant contraceptive subdermal implants: managerial and technical guidelines. Geneva, Switzerland: World Health Organization.
Chicago
1990. Norplant contraceptive subdermal implants: managerial and technical guidelines. Geneva, Switzerland: World Health Organization.
Harvard
(1990). Norplant contraceptive subdermal implants: managerial and technical guidelines. Geneva, Switzerland: World Health Organization.
MLA
Norplant contraceptive subdermal implants: managerial and technical guidelines. Geneva, Switzerland: World Health Organization. 1990.