SINGH, S. (2018). COMBINATORICS AND GRAPH THEORY (3RD.). KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI.
Citazione stile Chigago Style (17a edizione)SINGH, SB. COMBINATORICS AND GRAPH THEORY. 3RD. KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI, 2018.
Citatione MLA (9a ed.)SINGH, SB. COMBINATORICS AND GRAPH THEORY. 3RD. KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.