APA (7 ম সংস্করণ) উদ্ধৃতি

Friedman, J. A., & Lowenstern, M. R. (1962). Labor law and practice in Costa Rica. United States Department of Labor, Bureau of Labor Statistics.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Friedman, Jesse A., এবং Martha R. Lowenstern. Labor Law and Practice in Costa Rica. [Washington, D.C.]: United States Department of Labor, Bureau of Labor Statistics, 1962.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Friedman, Jesse A., এবং Martha R. Lowenstern. Labor Law and Practice in Costa Rica. United States Department of Labor, Bureau of Labor Statistics, 1962.