APA aipamena

(2015). HELP YOURSELF series: Civil services general studies. Straight Forward Publishers Pvt Ltd.

Chicago Style aipamena

HELP YOURSELF Series: Civil Services General Studies. New Delhi: Straight Forward Publishers Pvt Ltd, 2015.

MLA aipamena

HELP YOURSELF Series: Civil Services General Studies. Straight Forward Publishers Pvt Ltd, 2015.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.