Singh, I. (1970). Diplommetry. Somaiya.
Cita Chicago (17th ed.)Singh, I.P. Diplommetry. Bombay: Somaiya, 1970.
Cita MLA (9th ed.)Singh, I.P. Diplommetry. Somaiya, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)