APA ציטוט

(1981). Seminar Ilmiah Dermaga Tanjung Perak Surabaya 7-9 September 1981. FT-UAJY.

Chicago Style (17th ed.) Citation

Seminar Ilmiah Dermaga Tanjung Perak Surabaya 7-9 September 1981. FT-UAJY, 1981.

ציטוט MLA

Seminar Ilmiah Dermaga Tanjung Perak Surabaya 7-9 September 1981. FT-UAJY, 1981.