APA aipamena

Vivek K Gupta & Manoj Kaushik. Upkar's objective commerce. Upkar prakashan.

Chicago Style aipamena

Vivek K Gupta and Manoj Kaushik. Upkar's Objective Commerce. Agra: Upkar prakashan.

MLA aipamena

Vivek K Gupta and Manoj Kaushik. Upkar's Objective Commerce. Upkar prakashan.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.