Gaya APA

Artadi, W. (2009). The important role of a marketing officer to promote tourrism objects in Batu Tourism City (CD) . Malang, Jatim: UNMER.

Gaya MLA

Artadi, Wisnu. "The important role of a marketing officer to promote tourrism objects in Batu Tourism City (CD)". Malang, Jatim: UNMER, 2009. Text.