Gaya APA

Winterowd, W, R. et al (1996). Akhlaq tasawwuf 1 . Surabaya: Surabaya: IKIP Surabaya; 1996.

Gaya MLA

Winterowd, W., Ross. et al. "Akhlaq tasawwuf 1". Surabaya: Surabaya: IKIP Surabaya; 1996, 1996. Text.