Gaya APA
D, D, M, S, M, P.
(2006).
Neraca Sumberdaya Alam (Natural Resource Accounting)
.
Yogyakarta:
BPFE.
Gaya MLA
D, Drs., M., Suparmoko,, M.A.,, Ph.,.
"Neraca Sumberdaya Alam (Natural Resource Accounting)".
Yogyakarta:
BPFE,
2006.
Text.