APA (7 ম সংস্করণ) উদ্ধৃতি

Koller, E. L. (1915). Angular perspective, prepared specially for home study. International Correspondence Schools.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Koller, Edmund Leonard. Angular Perspective, Prepared Specially for Home Study. Scranton, Pa: International Correspondence Schools, 1915.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Koller, Edmund Leonard. Angular Perspective, Prepared Specially for Home Study. International Correspondence Schools, 1915.