APA (7th ed.) Citation

Howe, B. (1987). Portfolio: Case studies for business English. Longman.

Chicago Style (17th ed.) Citation

Howe, Brian. Portfolio: Case Studies for Business English. Essex, England: Longman, 1987.

MLA (9th ed.) Citation

Howe, Brian. Portfolio: Case Studies for Business English. Longman, 1987.

Warning: These citations may not always be 100% accurate.