Gaya APA

STEENIS, C, V., BACKER, C. (1973). Atlas of 220 weeds of sugar-cane fields in Java : volume VII . Pasuran: Indonesian sugar experiments station.

Gaya MLA

STEENIS, C.G.G.J., Van., BACKER, C.A.. "Atlas of 220 weeds of sugar-cane fields in Java : volume VII". Pasuran: Indonesian sugar experiments station, 1973. Buku.