Gaya APA
soderquist, L, D., Sommer, A, A. (1986).
Corporations a problem approach (second ed.).
Virginia:
The Michie Com0any.
Gaya MLA
soderquist, Larry, D.., Sommer, A., A..
"Corporations a problem approach".
second ed.
Virginia:
The Michie Com0any,
1986.
Text.