Gaya APA

EDUCATION, . ([s.a]). Education, research and public service ("TRIDARMA") project on soil erosion control in the Jatiluhur area in West Java 8 March-8 May 1975 . Netherlands: Royal tropical institute.

Gaya MLA

EDUCATION, . "Education, research and public service ("TRIDARMA") project on soil erosion control in the Jatiluhur area in West Java 8 March-8 May 1975". Netherlands: Royal tropical institute, [s.a]. Buku.