Cita APA (7th ed.)

BALASUBRAMANIAN, P. (2013). TRIPS IN TIME A TEXTBOOK FOR ICSE HISTORY AND CIVICS - BOOK 1. CAMBRIDGE UNIVERSITY PRESS.

Cita Chicago (17th ed.)

BALASUBRAMANIAN, PREMA. TRIPS IN TIME A TEXTBOOK FOR ICSE HISTORY AND CIVICS - BOOK 1. NEW DELHI: CAMBRIDGE UNIVERSITY PRESS, 2013.

Cita MLA (9th ed.)

BALASUBRAMANIAN, PREMA. TRIPS IN TIME A TEXTBOOK FOR ICSE HISTORY AND CIVICS - BOOK 1. CAMBRIDGE UNIVERSITY PRESS, 2013.