APA (7e ed.) Bronvermelding

Hougen, O. A., Watson, K. M., & Ragatz, R. A. (1954). Chemical Process Principles: Part I: Material and Energy Balances (2nd ed.). Asia Publishing House.

Chicago (17e ed.) Bronvermelding

Hougen, Olaf A., Kenneth M. Watson, en Roland A. Ragatz. Chemical Process Principles: Part I: Material and Energy Balances. 2nd ed. Bombay: Asia Publishing House, 1954.

MLA (9e ed.) Bronvermelding

Hougen, Olaf A., et al. Chemical Process Principles: Part I: Material and Energy Balances. 2nd ed. Asia Publishing House, 1954.