Avicenne, P. (1972). Bibliographical services throught the: World. Unesco.
Tohutoru Kātū Chicago (17th ed.)Avicenne, Paul. Bibliographical Services Throught the: World. Paris: Unesco, 1972.
Tohutoro MLA (9th ed.)Avicenne, Paul. Bibliographical Services Throught the: World. Unesco, 1972.
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