Al-Khawalda, M. I. (1997). Tense, aspect, and time reference with reference to Arabic. British Library Document Supply Centre.
Citace podle Chicago (17th ed.)Al-Khawalda, Mohammad Irshaid. Tense, Aspect, and Time Reference with Reference to Arabic. Boston Spa, United Kindom: British Library Document Supply Centre, 1997.
Citace podle MLA (8th ed.)Al-Khawalda, Mohammad Irshaid. Tense, Aspect, and Time Reference with Reference to Arabic. British Library Document Supply Centre, 1997.
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