APA استشهاد

Sehgal,, G. S. (2001). Work education (1st.). APH.

استشهاد بنمط شيكاغو

Sehgal,, Gurcharan Singh. Work Education. 1st. New Delhi: APH, 2001.

MLA استشهاد

Sehgal,, Gurcharan Singh. Work Education. 1st. APH, 2001.