https://cibreo.com/fresh-news
https://library.ipmi.ac.id/
https://digilib.unis.ac.id/akasia/
https://keas.uodiyala.edu.iq/
https://random.polindra.ac.id/
https://library.stiami.ac.id/
https://opac.interior.isi.ac.id/
https://cibumscientia.umsa.bo/

Gaya APA

Mohammad, K. (1989). Pertolongan pertama . Jakarta: Gramedia.

Gaya MLA

Mohammad, Kartono. "Pertolongan pertama". Jakarta: Gramedia, 1989. Text.