Tohutoro APA (7th ed.)

(1990). [Ladyžnikov, Ivan Pavlovič [russ. Verleger, 1874-1945]].

Tohutoru Kātū Chicago (17th ed.)

[Ladyžnikov, Ivan Pavlovič [russ. Verleger, 1874-1945]]. 1990.

Tohutoro MLA (9th ed.)

[Ladyžnikov, Ivan Pavlovič [russ. Verleger, 1874-1945]]. 1990.

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