Citazione APA

Nand, B., & Sharma, B. D. (1972). Spherical harmonics and partial differential equations (5th ed.). Kedar Nath Ram Nath publishers.

Stile di citazione Chicago

Nand, Brahma, e Bhu Dev Sharma. Spherical Harmonics and Partial Differential Equations. 5th ed. Meerut: Kedar Nath Ram Nath publishers, 1972.

Citazione MLA

Nand, Brahma, e Bhu Dev Sharma. Spherical Harmonics and Partial Differential Equations. 5th ed. Kedar Nath Ram Nath publishers, 1972.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.