Gaya APA

P.F.D., V, P., al, E. (1978). Seroepidemiological evidence for occupational exposure to Q fever in Indonesia . Jakarta: Puslitbang Pemberantasan Penyakit, Badan Litbangkes.

Gaya MLA

P.F.D., Van, Peenen,., al, Et. "Seroepidemiological evidence for occupational exposure to Q fever in Indonesia". Jakarta: Puslitbang Pemberantasan Penyakit, Badan Litbangkes, 1978. print.