Libby, C. E., & Libby, C. E. (1969). Ciencia y tecnologia sobre pulpa y papel. México: Continental.
Chicago Style CitationLibby, Clarence Earl, and Clarence Earl Libby. Ciencia Y Tecnologia Sobre Pulpa Y Papel. México: Continental, 1969.
MLA CitationLibby, Clarence Earl, and Clarence Earl Libby. Ciencia Y Tecnologia Sobre Pulpa Y Papel. México: Continental, 1969.
Warning: These citations may not always be 100% accurate.