Não informado. (1906). Journal of the American Leather Chemists Association. American Leather Chemists Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of the American Leather Chemists Association. Lubbock, Tex: American Leather Chemists Association, 1906.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of the American Leather Chemists Association. American Leather Chemists Association, 1906.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.