Gaya APA

Earle, J, H. et al (1980). Telecomunications in indonesia by the year 2000 . Bandung: Bandung: Perumtel; 1980.

Gaya MLA

Earle, James, H.. et al. "Telecomunications in indonesia by the year 2000". Bandung: Bandung: Perumtel; 1980, 1980. Text.