Citazione Stile APA (7a Edizione)

Harris, D. P. (1966). Reading improvement exercises for students of English as a second language. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Harris, David Payne. Reading Improvement Exercises for Students of English as a Second Language. Englewood Cliffs, N. J: Prentice-Hall, 1966.

Citatione MLA (9a ed.)

Harris, David Payne. Reading Improvement Exercises for Students of English as a Second Language. Prentice-Hall, 1966.