APA (7 ম সংস্করণ) উদ্ধৃতি

United States. (1991). Selected environmental law statutes (1991-92 educational ed.). West Pub. Co.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

United States. Selected Environmental Law Statutes. 1991-92 educational ed. St. Paul, Minn: West Pub. Co, 1991.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

United States. Selected Environmental Law Statutes. 1991-92 educational ed. West Pub. Co, 1991.