Dyfyniad APA

(1949). ADVANCED READINGS IN CHEMICAL AND TECHNICAL GERMAN. JOHN WIELEY & SONS.

Dyfyniad Arddull Chicago

ADVANCED READINGS IN CHEMICAL AND TECHNICAL GERMAN. NEW YORK: JOHN WIELEY & SONS, 1949.

Dyfyniad MLA

ADVANCED READINGS IN CHEMICAL AND TECHNICAL GERMAN. JOHN WIELEY & SONS, 1949.

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