Wieland, H. (1972). Cocoa and chocolate processing. Noyes Data Corp.
Cita Chicago (17th ed.)Wieland, Henry. Cocoa and Chocolate Processing. Park Ridge, N.J: Noyes Data Corp, 1972.
Cita MLA (9th ed.)Wieland, Henry. Cocoa and Chocolate Processing. Noyes Data Corp, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.