Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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