Gaya APA
Worsdall, V. (1979).
Special english for hotel personnel : book 2 bar and restaurant employees (seventh printing).
New York:
Collier Macmillan International, Inc..
Gaya MLA
Worsdall, Vivien.
"Special english for hotel personnel : book 2 bar and restaurant employees".
seventh printing
New York:
Collier Macmillan International, Inc.,
1979.
BUKU.