Gaya APA

Widyatmadja, J, P, , (. (1998). The alternative economy in global market system. . Surakarta: Surakarta Social Welfare Guidance Foundation.

Gaya MLA

Widyatmadja, Josef, P., , (ed.). "The alternative economy in global market system. ". Surakarta: Surakarta Social Welfare Guidance Foundation, 1998. Buku.