Gaya APA
RIGGS, J, B. (1988).
AN INTRODUCTION TO NUMERICCAL METHODS FOR CHEMICAL ENGINEERS .
Houston, Texas:
university pess.
Gaya MLA
RIGGS, JAMES, B,.
"AN INTRODUCTION TO NUMERICCAL METHODS FOR CHEMICAL ENGINEERS".
Houston, Texas:
university pess,
1988.
Buku Prodi Teknik Kimia.