Gaya APA
Heffernan, M. (2004).
Make your mark in food service : a put English to work book (Ed.1).
San Fransisco:
Jossey-Bass.
Gaya MLA
Heffernan, Margaret.
"Make your mark in food service : a put English to work book".
Ed.1
San Fransisco:
Jossey-Bass,
2004.
Buku Tercetak.