Tohutoro APA (7th ed.)
GRESCHBACH, Industrie GmbH & Co. (1986). Stahl plus.
Tohutoru Kātū Chicago (17th ed.)
GRESCHBACH, Industrie GmbH & Co. Stahl Plus. Karlsruhe, 1986.
Tohutoro MLA (9th ed.)
GRESCHBACH, Industrie GmbH & Co. Stahl Plus. 1986.
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