Gaya APA
Foust, A, S.
(1980).
Principles of Unit 2ed Operations
.
New York:
John Wiley & Sons.
Gaya MLA
Foust, Alan, S..
"Principles of Unit 2ed Operations".
New York:
John Wiley & Sons,
1980.
Buku PPs Prodi Teknik Kimia.