APA

Urmila Sharma; Sharma S. K., . (1997). International relations: Theory and history, Vol.01: Upto World War II. : Atlantic Publishers & Distributors, New Delhi.

Chicago

Urmila Sharma; Sharma S K, . 1997. International relations: Theory and history, Vol.01: Upto World War II. : Atlantic Publishers & Distributors, New Delhi.

Harvard

Urmila Sharma; Sharma S. K., . (1997). International relations: Theory and history, Vol.01: Upto World War II. : Atlantic Publishers & Distributors, New Delhi.

MLA

Urmila Sharma; Sharma S K, . International relations: Theory and history, Vol.01: Upto World War II. : Atlantic Publishers & Distributors, New Delhi. 1997.