Singh, M. L. (2003). Understanding research methodology: What?, When?, How? (Third.). J.M.Singh.
Citazione stile Chigago Style (17a edizione)Singh, Mrigendra Lal. Understanding Research Methodology: What?, When?, How? Third. Kathmandu: J.M.Singh, 2003.
Citatione MLA (8a ed.)Singh, Mrigendra Lal. Understanding Research Methodology: What?, When?, How? Third. J.M.Singh, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.