Gaya APA
CALDWELL, J, A., CALDWELL, J, L. (2016).
Fatigue in aviation: (2nd ed.).
London and New York:
Routledge Classic.
Gaya MLA
CALDWELL, John, A.., CALDWELL, J., Lynn.
"Fatigue in aviation:".
2nd ed.
London and New York:
Routledge Classic,
2016.
Buku.