APA (7th ed.) Citation
Howe, B. (1987). Portfolio: Case Studies for Business English (1.Ed.). Longman Group UK.
Chicago Style (17th ed.) Citation
Howe, Brian. Portfolio: Case Studies for Business English. 1.Ed. London: Longman Group UK, 1987.
MLA (9th ed.) Citation
Howe, Brian. Portfolio: Case Studies for Business English. 1.Ed. Longman Group UK, 1987.
Warning: These citations may not always be 100% accurate.