Gaya APA

ARIS, . (2006). Operasional Café Wiryo Widagdo di Quality Hotel Solo . Surakarta: STP Sahid Surakarta.

Gaya MLA

ARIS, . "Operasional Café Wiryo Widagdo di Quality Hotel Solo". Surakarta: STP Sahid Surakarta, 2006. Text.