Gaya APA
Sawyer, Clair N.. (1967).
Chemistry for sanitary engineers .
Tokyo:
McGraw-Hill.
Gaya Chicago
Sawyer, Clair N..
Chemistry for sanitary engineers.
Tokyo:
McGraw-Hill,
1967.
Tesis.
Gaya MLA
Sawyer, Clair N..
Chemistry for sanitary engineers.
Tokyo:
McGraw-Hill,
1967.
Tesis.
Gaya Turabian
Sawyer, Clair N..
Chemistry for sanitary engineers.
Tokyo:
McGraw-Hill,
1967.
Tesis.