Gaya APA

The development of public relations and protocol teaching material based on the 2013 curriculum in vocational school. (2017). Yogyakarta: ADGVI in cooperation with graduate school of UNY.

Gaya MLA

The development of public relations and protocol teaching material based on the 2013 curriculum in vocational school. . Yogyakarta: ADGVI in cooperation with graduate school of UNY, 2017. Artikel.