Willaman, J. J. (1921). Vocational chemistry for students of agriculture and home economics. J. B. Lippincott company.
Citace podle Chicago (17th ed.)Willaman, J. J. Vocational Chemistry for Students of Agriculture and Home Economics. Philadelphia, London: J. B. Lippincott company, 1921.
Citace podle MLA (8th ed.)Willaman, J. J. Vocational Chemistry for Students of Agriculture and Home Economics. J. B. Lippincott company, 1921.
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