Gaya APA
Olson, William C., Groom, A.J.R.. (1991).
International Relations Then and Now : Origins and Trends in Interpretation .
London:
Harper Collins.
Gaya Chicago
Olson, William C., Groom, A.J.R..
International Relations Then and Now : Origins and Trends in Interpretation.
London:
Harper Collins,
1991.
Text.
Gaya MLA
Olson, William C., Groom, A.J.R..
International Relations Then and Now : Origins and Trends in Interpretation.
London:
Harper Collins,
1991.
Text.
Gaya Turabian
Olson, William C., Groom, A.J.R..
International Relations Then and Now : Origins and Trends in Interpretation.
London:
Harper Collins,
1991.
Print.