Lal, K., & Nahar, R. (1991). Development of Underdeveloped Regions. Mittal Publications.
Citazione stile Chigago Style (17a edizione)Lal, Kumar, e Raj Nahar. Development of Underdeveloped Regions. India: Mittal Publications, 1991.
Citatione MLA (9a ed.)Lal, Kumar, e Raj Nahar. Development of Underdeveloped Regions. Mittal Publications, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.