Gaya APA

NATADJAJA, L. (2005). Comparison of resort sign system based on effectiveness in visual communication design goal . Surabaya: LPPM-Universitas Kristen Petra.

Gaya MLA

NATADJAJA, Listia. "Comparison of resort sign system based on effectiveness in visual communication design goal". Surabaya: LPPM-Universitas Kristen Petra, 2005. Artikel.