Gaya APA
Horngren, C, T., Foster, G. (1991).
Cost Accounting : A Managerial Emphasis (Seventh Edition).
United States of America:
prentice hall int..
Gaya MLA
Horngren, Charles, T.., Foster, George.
"Cost Accounting : A Managerial Emphasis".
Seventh Edition
United States of America:
prentice hall int.,
1991.
Textbook.