APA (7 ম সংস্করণ) উদ্ধৃতি

Thumm, U. (1981). Peru: Major development policy issues and recommendations. Latin America and the Caribbean Regional Office.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Thumm, Ulrich. Peru: Major Development Policy Issues and Recommendations. Washington: Latin America and the Caribbean Regional Office, 1981.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Thumm, Ulrich. Peru: Major Development Policy Issues and Recommendations. Latin America and the Caribbean Regional Office, 1981.