APA
W.H.O, . (1978). A growth chart for international use in maternal and child health care. World health organization, Geneva: .
Chicago
W.H.O, . 1978. A growth chart for international use in maternal and child health care. World health organization, Geneva: .
Harvard
W.H.O, . (1978). A growth chart for international use in maternal and child health care. World health organization, Geneva: .
MLA
W.H.O, . A growth chart for international use in maternal and child health care. World health organization, Geneva: . 1978.