Gaya APA
BEERS, G, V., COLLEY, L, A. (1972).
Survey of community development, Java, Indonesia : .
Guelph:
University of Guelph.
Gaya MLA
BEERS, G.G., Van., COLLEY, Louise, A..
"Survey of community development, Java, Indonesia :".
Guelph:
University of Guelph,
1972.
Buku.