Gaya APA

Purwati, E. (2004). The importance of discipline for the development of staff's performance at convention department Purnama Hotel Batu . Malang, Jatim: UNMER.

Gaya MLA

Purwati, Endang. "The importance of discipline for the development of staff's performance at convention department Purnama Hotel Batu". Malang, Jatim: UNMER, 2004. Text.