Gaya APA
DITTMER, P, R., III, J, K. (2009).
Principles Of Food, Bevarage, And Labor Cost Controls .
America:
WILEY BLACKWELL.
Gaya MLA
DITTMER, PAUL, R.., III, J.DESMOND, KEEFE.
"Principles Of Food, Bevarage, And Labor Cost Controls".
America:
WILEY BLACKWELL,
2009.
BUKU.