Gaya APA
NYKIEL, Ronald A.. (1989).
Marketing in the hospitality industry (2nd ed.).
New York:
Van Nostrand Reinhold Company.
Gaya Chicago
NYKIEL, Ronald A..
Marketing in the hospitality industry.
2nd ed.
New York:
Van Nostrand Reinhold Company,
1989.
Text.
Gaya MLA
NYKIEL, Ronald A..
Marketing in the hospitality industry.
2nd ed.
New York:
Van Nostrand Reinhold Company,
1989.
Text.
Gaya Turabian
NYKIEL, Ronald A..
Marketing in the hospitality industry.
2nd ed.
New York:
Van Nostrand Reinhold Company,
1989.
Print.