Gaya APA
WALKER, JOHN R.. (2013).
INTRODUCTION TO HOSPITALITY (6).
PRENTICE HALL:
Pearson Education Inc..
Gaya Chicago
WALKER, JOHN R..
INTRODUCTION TO HOSPITALITY.
6
PRENTICE HALL:
Pearson Education Inc.,
2013.
Text.
Gaya MLA
WALKER, JOHN R..
INTRODUCTION TO HOSPITALITY.
6
PRENTICE HALL:
Pearson Education Inc.,
2013.
Text.
Gaya Turabian
WALKER, JOHN R..
INTRODUCTION TO HOSPITALITY.
6
PRENTICE HALL:
Pearson Education Inc.,
2013.
Print.