Riphagen, F. E., Vurst, J. M. v. d., & Lehert, P. (1986). Contraception in the Federal Republic of Germany: A study of current use, knowledge and perceptions of contraceptive methods. Internat. Health Foundation.
Chicago Style (17th ed.) CitationRiphagen, F. E., Jan M. van der Vurst, and P. Lehert. Contraception in the Federal Republic of Germany: A Study of Current Use, Knowledge and Perceptions of Contraceptive Methods. Geneva: Internat. Health Foundation, 1986.
MLA (9th ed.) CitationRiphagen, F. E., et al. Contraception in the Federal Republic of Germany: A Study of Current Use, Knowledge and Perceptions of Contraceptive Methods. Internat. Health Foundation, 1986.
Warning: These citations may not always be 100% accurate.