APA Style
Heater, Derek Benjamin. (1993).
Introduction to international politics .
New York:
Singapore : Harvester Wheatsheaf, 1989.
Chicago Style
Heater, Derek Benjamin.
Introduction to international politics.
New York:
Singapore : Harvester Wheatsheaf, 1989,
1993.
Buku Teks.
MLA Style
Heater, Derek Benjamin.
Introduction to international politics.
New York:
Singapore : Harvester Wheatsheaf, 1989,
1993.
Buku Teks.
Turabian Style
Heater, Derek Benjamin.
Introduction to international politics.
New York:
Singapore : Harvester Wheatsheaf, 1989,
1993.
Buku Teks.