Cita APA

Uppal, O. [. P. 1. (1975). Practical procedure of classification: (according to C.C. & D.D.C.). Madaan.

Citación estilo Chicago

Uppal, O.P. [Om Parkash].- 1940. Practical Procedure of Classification: (according to C.C. & D.D.C.). Patiala: Madaan, 1975.

Cita MLA

Uppal, O.P. [Om Parkash].- 1940. Practical Procedure of Classification: (according to C.C. & D.D.C.). Madaan, 1975.