Penggayaan APA
DAVIES, Erik Charles. (1990).
Sustainable development evaluation: .
Canada:
UMI.
Chicago Style
DAVIES, Erik Charles.
Sustainable development evaluation:.
Canada:
UMI,
1990.
Buku.
MLA Style
DAVIES, Erik Charles.
Sustainable development evaluation:.
Canada:
UMI,
1990.
Buku.
Turabian Style
DAVIES, Erik Charles.
Sustainable development evaluation:.
Canada:
UMI,
1990.
Buku.