Penggayaan APA

WOJTKOWSKI, Paul. (2008). Agroecological economics . USA: Elsevier.

Chicago Style

WOJTKOWSKI, Paul. Agroecological economics. USA: Elsevier, 2008. Buku.

MLA Style

WOJTKOWSKI, Paul. Agroecological economics. USA: Elsevier, 2008. Buku.

Turabian Style

WOJTKOWSKI, Paul. Agroecological economics. USA: Elsevier, 2008. Buku.