Παραπομπή APA

Clark, J. O. E. A. (1990). Harrap`s dictionary of English synonyms.

Παραπομπή Chicago Style

Clark, John O E; Author. Harrap`s Dictionary of English Synonyms. London, Harrap, 1990.

Παραπομπή MLA

Clark, John O E; Author. Harrap`s Dictionary of English Synonyms. 1990.