Gaya APA

Himmelblau, D, M., Riggs, J, B. (2004). Basic principles and calculations in chemical engineering (7th ed.). New Jersey: Pearson Education.

Gaya MLA

Himmelblau, David, M.., Riggs, James, B.. "Basic principles and calculations in chemical engineering". 7th ed. New Jersey: Pearson Education, 2004. Text.