Gaya APA
Hood, L, R., Coates, R, M. (1994).
Domestic ticketing and air fares .
Cincinnati, Ohio:
South-Western Publishing Co..
Gaya MLA
Hood, Linda, R.., Coates, Robert, M..
"Domestic ticketing and air fares".
Cincinnati, Ohio:
South-Western Publishing Co.,
1994.
BUKU.