Schweppe, H. (1987). Practical information for the identification of early synthetic dyes: Practical hints on dyeing with early synthetic dyes. Smithsonian Institution.
Cita Chicago Style (17a ed.)Schweppe, Helmut. Practical Information for the Identification of Early Synthetic Dyes: Practical Hints on Dyeing with Early Synthetic Dyes. Washington, D.C.: Smithsonian Institution, 1987.
Cita MLA (8a ed.)Schweppe, Helmut. Practical Information for the Identification of Early Synthetic Dyes: Practical Hints on Dyeing with Early Synthetic Dyes. Smithsonian Institution, 1987.
Precaución: Estas citas no son 100% exactas.