Gaya APA
Penilaian Portofolio. (2004).
Bandung:
Remaja Rosdakarya.
Gaya Chicago
Penilaian Portofolio.
Cet.1.
Bandung:
Remaja Rosdakarya,
2004.
.
Gaya MLA
Penilaian Portofolio.
Cet.1.
Bandung:
Remaja Rosdakarya,
2004.
.
Gaya Turabian
Penilaian Portofolio.
Bandung:
Remaja Rosdakarya,
2004.
.