APA
Oppenheim I., . (1969). The family as consumers. The macmillan company, New York: .
Chicago
Oppenheim Irene, . 1969. The family as consumers. The macmillan company, New York: .
Harvard
Oppenheim I., . (1969). The family as consumers. The macmillan company, New York: .
MLA
Oppenheim Irene, . The family as consumers. The macmillan company, New York: . 1969.