Penggayaan APA
LONG, Kenneth E.. (1981).
Introduction to economics .
New York:
D Van Nostrand.
Chicago Style
LONG, Kenneth E..
Introduction to economics.
New York:
D Van Nostrand,
1981.
Buku.
MLA Style
LONG, Kenneth E..
Introduction to economics.
New York:
D Van Nostrand,
1981.
Buku.
Turabian Style
LONG, Kenneth E..
Introduction to economics.
New York:
D Van Nostrand,
1981.
Buku.