Citazione Stile APA (7a Edizione)

RAM, B. (1971). Text-book of co-ordinate geometry (for. Parakashan Kendra.

Citazione stile Chigago Style (17a edizione)

RAM, Ballabh. Text-book of Co-ordinate Geometry (for. Lucknow: Parakashan Kendra, 1971.

Citatione MLA (9a ed.)

RAM, Ballabh. Text-book of Co-ordinate Geometry (for. Parakashan Kendra, 1971.