Penggayaan APA
RALPH, Stone. (1977).
Industrial pollution control : .
California:
[s.n.].
Chicago Style
RALPH, Stone.
Industrial pollution control :.
California:
[s.n.],
1977.
Buku.
MLA Style
RALPH, Stone.
Industrial pollution control :.
California:
[s.n.],
1977.
Buku.
Turabian Style
RALPH, Stone.
Industrial pollution control :.
California:
[s.n.],
1977.
Buku.