Gaya APA
Hirschey, M., Pappas, J, L. (1995).
Fundamentals of managerial economics (5th edition).
Philadelphia:
The Dryden Press.
Gaya MLA
Hirschey, Mark., Pappas, James, L..
"Fundamentals of managerial economics".
5th edition
Philadelphia:
The Dryden Press,
1995.
BUKU.