Pathal K.B & Ram F. (2002). Techniques Of Demographic Analysis (2nd.). Himalaya Publishing House Pvt.Ltd.
Cita Chicago (17th ed.)Pathal K.B i Ram F. Techniques Of Demographic Analysis. 2nd. Mumbai: Himalaya Publishing House Pvt.Ltd, 2002.
Cita MLA (9th ed.)Pathal K.B i Ram F. Techniques Of Demographic Analysis. 2nd. Himalaya Publishing House Pvt.Ltd, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.