Penggayaan APA
ENVIRONMENTAL, quality. (1985).
Environmental quality .
Washington D.C:
.
Chicago Style
ENVIRONMENTAL, quality.
Environmental quality.
Washington D.C:
,
1985.
Buku.
MLA Style
ENVIRONMENTAL, quality.
Environmental quality.
Washington D.C:
,
1985.
Buku.
Turabian Style
ENVIRONMENTAL, quality.
Environmental quality.
Washington D.C:
,
1985.
Buku.