Gaya APA

SIREGAR, M. et al (2006). Secondary crops based farming systems and their integration with pocessing in Lampung, Indonesia . Bogor: ESCAP.

Gaya MLA

SIREGAR, Masdjidin. et al. "Secondary crops based farming systems and their integration with pocessing in Lampung, Indonesia". Bogor: ESCAP, 2006. Buku.