Gaya APA
M.A, M, R, S. (2003).
PROCEEDING NATURAL RESOURCES AND ENVIRONMENTAL ACCOUNTING (CETAKAN I).
PURWOKTO:
BPFE YOGYAKARTA.
Gaya MLA
M.A, MARIA, RATNANINGSIH,, S.E.,.
"PROCEEDING NATURAL RESOURCES AND ENVIRONMENTAL ACCOUNTING".
CETAKAN I
PURWOKTO:
BPFE YOGYAKARTA,
2003.
Text.