Gupta A. K. Alok K. (2007). Petrology and Genesis of Igneous Rocks. New Delhi, Narosa Publishing House, 2007.
Citazione stile Chigago Style (17a edizione)Gupta A. K. Alok K. Petrology and Genesis of Igneous Rocks. New Delhi, Narosa Publishing House, 2007, 2007.
Citatione MLA (9a ed.)Gupta A. K. Alok K. Petrology and Genesis of Igneous Rocks. New Delhi, Narosa Publishing House, 2007, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.