Cita APA (7th ed.)

Fisher, D. (1963). Graded comprehension for advanced students. Longman.

Cita Chicago (17th ed.)

Fisher, David. Graded Comprehension for Advanced Students. London: Longman, 1963.

Cita MLA (9th ed.)

Fisher, David. Graded Comprehension for Advanced Students. Longman, 1963.