APA

Nicholson M., . (1998). International relations: A concise introduction. : Macmillan Company of Canada, Toronto.

Chicago

Nicholson Michael, . 1998. International relations: A concise introduction. : Macmillan Company of Canada, Toronto.

Harvard

Nicholson M., . (1998). International relations: A concise introduction. : Macmillan Company of Canada, Toronto.

MLA

Nicholson Michael, . International relations: A concise introduction. : Macmillan Company of Canada, Toronto. 1998.