Cita APA (7th ed.)
Edwards, E. H. (1981). Comprehension skills. Macmillan.
Cita Chicago (17th ed.)
Edwards, E. H. Comprehension Skills. South Melbourne: Macmillan, 1981.
Cita MLA (9th ed.)
Edwards, E. H. Comprehension Skills. Macmillan, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.