Penggayaan APA
WALKER, John R. (2017).
Introduction to Hospitality (7 th. ed.).
Harlow:
Perason Education.
Chicago Style
WALKER, John R.
Introduction to Hospitality.
7 th. ed.
Harlow:
Perason Education,
2017.
Text.
MLA Style
WALKER, John R.
Introduction to Hospitality.
7 th. ed.
Harlow:
Perason Education,
2017.
Text.
Turabian Style
WALKER, John R.
Introduction to Hospitality.
7 th. ed.
Harlow:
Perason Education,
2017.
Print.