Gaya APA
Hardy, S., Tukayo, I, J. (2020).
Manajemen occupational health nursing (keperawatan industri) .
Malang:
ismaya.
Gaya MLA
Hardy, Syaifoel., Tukayo, Isak, JH.
"Manajemen occupational health nursing (keperawatan industri)".
Malang:
ismaya,
2020.
Text.