Comstock, B. J. (1981). All about the baby: The beginnings of human life with early needs. Pacific press publishing association ; Orient Watchman Publishing House.
Chicago (17e ed.) BronvermeldingComstock, Belle Jessie. All About the Baby: The Beginnings of Human Life with Early Needs. Mountain View, Calif., Portland, Or. [etc.] India: Pacific press publishing association ; Orient Watchman Publishing House, 1981.
MLA (8e ed.) BronvermeldingComstock, Belle Jessie. All About the Baby: The Beginnings of Human Life with Early Needs. Pacific press publishing association ; Orient Watchman Publishing House, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.