APA
Wilhelms F. T. H. R. P. &. J. H. M., . (1966). Consumer economics. McGraw-hill book company, New York: .
Chicago
Wilhelms Fred T Heimerl Ramon P & Jelley Herbert M, . 1966. Consumer economics. McGraw-hill book company, New York: .
Harvard
Wilhelms F. T. H. R. P. &. J. H. M., . (1966). Consumer economics. McGraw-hill book company, New York: .
MLA
Wilhelms Fred T Heimerl Ramon P & Jelley Herbert M, . Consumer economics. McGraw-hill book company, New York: . 1966.