Gaya APA

Ray, W, H., Szekely, J. (1973). Process optimization with applications in metallurgy and chemical engineering (1973). : New York : John Wiley & Sons,.

Gaya MLA

Ray, W, Harmon., Szekely, Julian. "Process optimization with applications in metallurgy and chemical engineering". 1973 : New York : John Wiley & Sons,, 1973. Text.