Cita APA (7th ed.)
(1989). Longman dictionary of contemporary English. Longman.
Cita Chicago (17th ed.)
Longman Dictionary of Contemporary English. Kenya: Longman, 1989.
Cita MLA (9th ed.)
Longman Dictionary of Contemporary English. Longman, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.