Gaya APA

HUTABARAT, I, I. et al (2017). Total working period and other risk factors related to eating protein foods habits among civil pilots in Indonesia . Jakarta: Ministry of Health Indonesia.

Gaya MLA

HUTABARAT, Indah, Imelda. et al. "Total working period and other risk factors related to eating protein foods habits among civil pilots in Indonesia". Jakarta: Ministry of Health Indonesia, 2017. Artikel.