Seth, M. L., & Singh, S. (1998). Economic planning: Theory & practice (8th ed., thoroughly rev. and enl.). S. Chand.
Citazione stile Chigago Style (17a edizione)Seth, M. L., e S.P Singh. Economic Planning: Theory & Practice. 8th ed., thoroughly rev. and enl. Delhi: S. Chand, 1998.
Citatione MLA (8a ed.)Seth, M. L., e S.P Singh. Economic Planning: Theory & Practice. 8th ed., thoroughly rev. and enl. S. Chand, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.