APA-referens (7:e uppl.)
Progress report of the Center for Population Research, National Institute of Child Health and Human Development [Prog Rep Cent Popul Res Natl Inst Child Health Hum Dev] NLMUID: 101692722.
Chicago-referens (17:e uppl.)
Progress Report of the Center for Population Research, National Institute of Child Health and Human Development [Prog Rep Cent Popul Res Natl Inst Child Health Hum Dev] NLMUID: 101692722.
MLA-referens (9:e uppl.)
Progress Report of the Center for Population Research, National Institute of Child Health and Human Development [Prog Rep Cent Popul Res Natl Inst Child Health Hum Dev] NLMUID: 101692722.
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