Gaya APA

central, B. (2019). BMC Public Health vol, 2019 buku 4 (vol.2019 buku 2). : BioMed Cetral.

Gaya MLA

central, B.. BMC Public Health vol, 2019 buku 4. vol.2019 buku 2 : BioMed Cetral, 2019. Text.