Citace podle APA (7th ed.)

Westermann, D., & Ward, I. C. (1933). Practical phonetics for students of African languages. Published for the International Institute of African Languages & Cultures by Oxford University Press, H. Milford.

Citace podle Chicago (17th ed.)

Westermann, Diedrich, a Ida C. Ward. Practical Phonetics for Students of African Languages. London: Published for the International Institute of African Languages & Cultures by Oxford University Press, H. Milford, 1933.

Citace podle MLA (8th ed.)

Westermann, Diedrich, a Ida C. Ward. Practical Phonetics for Students of African Languages. Published for the International Institute of African Languages & Cultures by Oxford University Press, H. Milford, 1933.

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