APA (7e ed.) Bronvermelding

Seale, B. (1978). Writing efficiently: A step by step composition course. Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Seale, Barbara. Writing Efficiently: A Step by Step Composition Course. Englewood Cliffs, N.J.: Prentice-Hall, 1978.

MLA (8e ed.) Bronvermelding

Seale, Barbara. Writing Efficiently: A Step by Step Composition Course. Prentice-Hall, 1978.