APA استشهاد

Choubey, K. R. (2011). Course in mathematics: Trignometry. Pearson.

استشهاد بنمط شيكاغو

Choubey, K R. Course in Mathematics: Trignometry. Chandigarh: Pearson, 2011.

MLA استشهاد

Choubey, K R. Course in Mathematics: Trignometry. Pearson, 2011.