Παραπομπή APA

Gangadharan, T. K. History of United States of America. Calicut University Central Co-op Stores.

Παραπομπή Chicago Style

Gangadharan, T K. History of United States of America. Calicut: Calicut University Central Co-op Stores.

Παραπομπή MLA

Gangadharan, T K. History of United States of America. Calicut University Central Co-op Stores.