Chang, R., & Tikkanen, W. (1988). The Top Fifty Industrial Chemicals. New York: Random House.
Chicago Style CitationChang, Raymond, i Wayne Tikkanen. The Top Fifty Industrial Chemicals. New York: Random House, 1988.
Cita MLAChang, Raymond, i Wayne Tikkanen. The Top Fifty Industrial Chemicals. New York: Random House, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.