Penggayaan APA
DOUGLAS, Evan J.. (1992).
Managerial economics: (4th ed.).
New Jersey:
Prentice Hall.
Chicago Style
DOUGLAS, Evan J..
Managerial economics:.
4th ed.
New Jersey:
Prentice Hall,
1992.
Buku.
MLA Style
DOUGLAS, Evan J..
Managerial economics:.
4th ed.
New Jersey:
Prentice Hall,
1992.
Buku.
Turabian Style
DOUGLAS, Evan J..
Managerial economics:.
4th ed.
New Jersey:
Prentice Hall,
1992.
Buku.