Willaman, J. J. (1921). Vocational chemistry for students of agriculture and home economics. J. B. Lippincott company.
Čikaški stil citiranja (17. izdanje)Willaman, J. J. Vocational Chemistry for Students of Agriculture and Home Economics. Philadelphia, London: J. B. Lippincott company, 1921.
MLA način citiranja (8. izdanje)Willaman, J. J. Vocational Chemistry for Students of Agriculture and Home Economics. J. B. Lippincott company, 1921.
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