APA-ийн эшлэл(7 дахь хэвлэлт)

Pfaffenberger, R. C., & Walker, D. A. (1976). Mathematical programming for economics and business. The Iowa State University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Pfaffenberger, Roger C., ба David A. Walker. Mathematical Programming for Economics and Business. Ames, Iowa: The Iowa State University Press, 1976.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Pfaffenberger, Roger C., ба David A. Walker. Mathematical Programming for Economics and Business. The Iowa State University Press, 1976.