(1971). Der Kara-Kum-Kanal 50 Kilometer oberhalb Mary.
Tohutoru Kātū Chicago (17th ed.)Der Kara-Kum-Kanal 50 Kilometer Oberhalb Mary. 1971.
Tohutoro MLA (9th ed.)Der Kara-Kum-Kanal 50 Kilometer Oberhalb Mary. 1971.
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