(1989). Specification for reusable contraceptive diaphragms. London: BSI.
Chicago Style CitationSpecification for Reusable Contraceptive Diaphragms. London: BSI, 1989.
MLA CitationSpecification for Reusable Contraceptive Diaphragms. London: BSI, 1989.
Warning: These citations may not always be 100% accurate.