APA
"Bittel L. R., "Bilbrey C. P. & "Burke R. S.Business in action. New York: .
Chicago
"Bittel Lester R", "Bilbrey Charles P" and "Burke Ronald S".Business in action. New York: .
Harvard
"Bittel L. R., "Bilbrey C. P. and "Burke R. S.Business in action. New York: .
MLA
"Bittel Lester R", "Bilbrey Charles P" and "Burke Ronald S".New York: . .