APA (7 ম সংস্করণ) উদ্ধৃতি

Gray, J., & Dahmen, D. (1977). Market potential for Wisconsin's attraction and campgrounds (2nd ed.). Recreation Resources Ceter.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Gray, Jack, এবং Dave Dahmen. Market Potential for Wisconsin's Attraction and Campgrounds. 2nd ed. Madison, Wisc: Recreation Resources Ceter, 1977.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Gray, Jack, এবং Dave Dahmen. Market Potential for Wisconsin's Attraction and Campgrounds. 2nd ed. Recreation Resources Ceter, 1977.