Gaya APA

SEMINAR, R, F, D, C, M, 2, 1. (1983). Sulfur in south-east Asian & South Pasific agriculture . Bogor: t.p.

Gaya MLA

SEMINAR, Research, For, Development, Ciawi, May, 23-27, 1983. "Sulfur in south-east Asian & South Pasific agriculture". Bogor: t.p, 1983. Buku.