APA
Ritchey S. J. &. T. L. J., . (1983). Maternal and child nutrition. Harper and Row Publ, New York: .
Chicago
Ritchey S J & Taper L Janette, . 1983. Maternal and child nutrition. Harper and Row Publ, New York: .
Harvard
Ritchey S. J. &. T. L. J., . (1983). Maternal and child nutrition. Harper and Row Publ, New York: .
MLA
Ritchey S J & Taper L Janette, . Maternal and child nutrition. Harper and Row Publ, New York: . 1983.