APA Style

Graaff, Jan de [et.al.]. (2007). Monitoring and evaluation of soil conservation and watershed development projects . USA: Science Publishers, Inc.

Chicago Style

Graaff, Jan de [et.al.]. Monitoring and evaluation of soil conservation and watershed development projects. USA: Science Publishers, Inc, 2007. Buku Teks.

MLA Style

Graaff, Jan de [et.al.]. Monitoring and evaluation of soil conservation and watershed development projects. USA: Science Publishers, Inc, 2007. Buku Teks.

Turabian Style

Graaff, Jan de [et.al.]. Monitoring and evaluation of soil conservation and watershed development projects. USA: Science Publishers, Inc, 2007. Buku Teks.