APA (7e ed.) Bronvermelding

RYCKMAN, W. (1983). The art of writing clearly. Dow Jones-Irwin.

Chicago (17e ed.) Bronvermelding

RYCKMAN, W.G. The Art of Writing Clearly. Illinois: Dow Jones-Irwin, 1983.

MLA (9e ed.) Bronvermelding

RYCKMAN, W.G. The Art of Writing Clearly. Dow Jones-Irwin, 1983.