Gaya APA
Gerhartz, Wolfgang. (1988).
Ullmanisis Encyclopedia Of Industrial Chemistry .
Weinheim:
VCH VERLAGSGESELLSHACHF.
Gaya Chicago
Gerhartz, Wolfgang.
Ullmanisis Encyclopedia Of Industrial Chemistry.
Weinheim:
VCH VERLAGSGESELLSHACHF,
1988.
.
Gaya MLA
Gerhartz, Wolfgang.
Ullmanisis Encyclopedia Of Industrial Chemistry.
Weinheim:
VCH VERLAGSGESELLSHACHF,
1988.
.
Gaya Turabian
Gerhartz, Wolfgang.
Ullmanisis Encyclopedia Of Industrial Chemistry.
Weinheim:
VCH VERLAGSGESELLSHACHF,
1988.
.