APA

Varkey T. V. e. a., .Textbook of Indian history. : Prathibha Publications, Changanacherry.

Chicago

Varkey T V et al, .Textbook of Indian history. : Prathibha Publications, Changanacherry.

Harvard

Varkey T. V. e. a., .Textbook of Indian history. : Prathibha Publications, Changanacherry.

MLA

Varkey T V et al, .: Prathibha Publications, Changanacherry. .