APA (7 ম সংস্করণ) উদ্ধৃতি

Ellsworth, R. E. (1970). The School library: Facilities for independent study in the secondary school. Educational Facilities Laboratories.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Ellsworth, Ralph E. The School Library: Facilities for Independent Study in the Secondary School. U.S.A: Educational Facilities Laboratories, 1970.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Ellsworth, Ralph E. The School Library: Facilities for Independent Study in the Secondary School. Educational Facilities Laboratories, 1970.