Gaya APA

CLEMENS, A. et al (1992). Changing economy in Indonesia regional patterns in foreign trade 1911-1940, volume 12b : . Amsterdam: Royal tropical institute.

Gaya MLA

CLEMENS, Adrian. et al. "Changing economy in Indonesia regional patterns in foreign trade 1911-1940, volume 12b :". Amsterdam: Royal tropical institute, 1992. Buku.