APA ציטוט

Aldrich. (1988). Catalog handbook of fine chemicals 1988 - 1989. Wisconsin: Aldrich Chemical.

Trích dẫn kiểu Chicago

Aldrich. Catalog Handbook of Fine Chemicals 1988 - 1989. Wisconsin: Aldrich Chemical, 1988.

ציטוט MLA

Aldrich. Catalog Handbook of Fine Chemicals 1988 - 1989. Wisconsin: Aldrich Chemical, 1988.