Gaya APA
NAPITUPULU, M, F. et al (2018).
Risk factors and aftermath of stress on female commercial flight attendants in Indonesia .
Jakarta:
Fak. Kedokteran UKI.
Gaya MLA
NAPITUPULU, Manaor, F.I.. et al.
"Risk factors and aftermath of stress on female commercial flight attendants in Indonesia".
Jakarta:
Fak. Kedokteran UKI,
2018.
Artikel.