Lal, K. (1988). Population-Settlements development and planning. Chugh.
Citazione stile Chigago Style (17a edizione)Lal, K.M. Population-Settlements Development and Planning. Allahabad: Chugh, 1988.
Citatione MLA (9a ed.)Lal, K.M. Population-Settlements Development and Planning. Chugh, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.