Gaya APA

Wahyuningtyas, S. (2007). The Importance of professionalism for waiters and waitresses at the university inn restaurant (CD) . Malang, Jatim: UNMER.

Gaya MLA

Wahyuningtyas, Sefia. "The Importance of professionalism for waiters and waitresses at the university inn restaurant (CD)". Malang, Jatim: UNMER, 2007. Text.