Citazione Stile APA (7a Edizione)

HERMAN, W. The portable english handbook: Index to grammar, usage, and the research paper.-- ed.2. Holt.

Citazione stile Chigago Style (17a edizione)

HERMAN, William. The Portable English Handbook: Index to Grammar, Usage, and the Research Paper.-- Ed.2. New York: Holt.

Citatione MLA (9a ed.)

HERMAN, William. The Portable English Handbook: Index to Grammar, Usage, and the Research Paper.-- Ed.2. Holt.