Gaya APA

RIYANTO, S. et al (2019). Librarian role in research library services in Indonesian Institute of Sciences . D.I.Yogyakarta: UPT Perpustakaan UGM.

Gaya MLA

RIYANTO, Slamet. et al. "Librarian role in research library services in Indonesian Institute of Sciences". D.I.Yogyakarta: UPT Perpustakaan UGM, 2019. Artikel.