APA引文

RAMANUJAM, P. R. (2002). Distance open learning: Challenges to developing countries. Shipra publications.

Chicago Style (17th ed.) Citation

RAMANUJAM, P. Renga. Distance Open Learning: Challenges to Developing Countries. Shipra publications, 2002.

MLA引文

RAMANUJAM, P. Renga. Distance Open Learning: Challenges to Developing Countries. Shipra publications, 2002.

警告：這些引文格式不一定是100％准確.