Styl cytowania APA

Grewal, P. S. (1990). Methords of statistical analysis (2.). Sterling Publishers Pvt. Ltd.

Styl cytowania Chicago

Grewal, P S. Methords of Statistical Analysis. 2. New Delhi: Sterling Publishers Pvt. Ltd, 1990.

Styl cytowania MLA

Grewal, P S. Methords of Statistical Analysis. 2. Sterling Publishers Pvt. Ltd, 1990.