Gaya APA

HENDRATI, M, I., SUMARSONO, H. (2012). Analysis of effectiveness and parking levy gap in Malang regency . Surabaya: PPPM STIE Perbanas.

Gaya MLA

HENDRATI, Martha, Ignatia., SUMARSONO, Hadi. "Analysis of effectiveness and parking levy gap in Malang regency". Surabaya: PPPM STIE Perbanas, 2012. Artikel.