Gaya APA

Surapranata, S., Hatta, M. (2007). Penilaian portofolio : implementasi kurikulum 2004 . Bandung: .

Gaya MLA

Surapranata, Sumarna., Hatta, Muhammad. "Penilaian portofolio : implementasi kurikulum 2004". Bandung: , 2007. .