APA
International conference on changing patterns of conception and fertility (16 : 1979 : London), . (1981). Proceedings on changing patterns of conception and fertility. : .
Chicago
International conference on changing patterns of conception and fertility (16 : 1979 : London), . 1981. Proceedings on changing patterns of conception and fertility. : .
Harvard
International conference on changing patterns of conception and fertility (16 : 1979 : London), . (1981). Proceedings on changing patterns of conception and fertility. : .
MLA
International conference on changing patterns of conception and fertility (16 : 1979 : London), . Proceedings on changing patterns of conception and fertility. : . 1981.
