Gaya APA

Loetfia, D., R. (2013). Modul Personality Development . Surabaya: PRODI DIII KEPERAWATAN KAMPUS SUTOPO SURABAYA.

Gaya MLA

Loetfia, D., R.. Modul Personality Development. Surabaya: PRODI DIII KEPERAWATAN KAMPUS SUTOPO SURABAYA, 2013. Text.