Penggayaan APA
GREGORY, Paul R.. (1992).
Comparative economic systems (4th ed.).
Boston:
Houghton.
Chicago Style
GREGORY, Paul R..
Comparative economic systems.
4th ed.
Boston:
Houghton,
1992.
Buku.
MLA Style
GREGORY, Paul R..
Comparative economic systems.
4th ed.
Boston:
Houghton,
1992.
Buku.
Turabian Style
GREGORY, Paul R..
Comparative economic systems.
4th ed.
Boston:
Houghton,
1992.
Buku.