Cita APA (7th ed.)
McAlpin, J. (1989). Longman dictionary skills handbook. Longman.
Cita Chicago (17th ed.)
McAlpin, Janet. Longman Dictionary Skills Handbook. Madrid: Longman, 1989.
Cita MLA (9th ed.)
McAlpin, Janet. Longman Dictionary Skills Handbook. Longman, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.