Gaya APA
Milne, R, S.
(1986).
Opportunities in Travel Careers
(
Pertama)
.
Lincolnwood:
VGM Careers Horizons.
Gaya MLA
Milne, Robert, Scott.
"Opportunities in Travel Careers".
Pertama
Lincolnwood:
VGM Careers Horizons,
1986.
Teks.