APA استشهاد

Venugopal, P. K. (1981). Mahacharithamala 41: George Stephenson; Henry Ford; Wright sahodaranmaar. Kairali Childrens Book Trust.

استشهاد بنمط شيكاغو

Venugopal, P. K. Mahacharithamala 41: George Stephenson; Henry Ford; Wright Sahodaranmaar. Kottayam: Kairali Childrens Book Trust, 1981.

MLA استشهاد

Venugopal, P. K. Mahacharithamala 41: George Stephenson; Henry Ford; Wright Sahodaranmaar. Kairali Childrens Book Trust, 1981.