APA Style
Sum, Seminar Nasional III Nerca. (2004).
Proceeding natural resorces and environmental Accounting .
Yogyakarta:
BPFE dan Elsam.
Chicago Style
Sum, Seminar Nasional III Nerca.
Proceeding natural resorces and environmental Accounting.
Yogyakarta:
BPFE dan Elsam,
2004.
Buku.
MLA Style
Sum, Seminar Nasional III Nerca.
Proceeding natural resorces and environmental Accounting.
Yogyakarta:
BPFE dan Elsam,
2004.
Buku.
Turabian Style
Sum, Seminar Nasional III Nerca.
Proceeding natural resorces and environmental Accounting.
Yogyakarta:
BPFE dan Elsam,
2004.
Buku.