Cites del registre

Cita APA (7th ed.)
Clark, M. M. (1990). The tonal system of Igbo. Foris.
Cita Chicago (17th ed.)
Clark, Mary Morris. The Tonal System of Igbo. Dordrecht ; Providence, RI: Foris, 1990.
Cita MLA (9th ed.)
Clark, Mary Morris. The Tonal System of Igbo. Foris, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.