Roberts, B. (2002). Biographical research. Open University Press.
Tohutoru Kātū Chicago (17th ed.)Roberts, Brian. Biographical Research. Buckingham ; Phildelphia: Open University Press, 2002.
Tohutoro MLA (9th ed.)Roberts, Brian. Biographical Research. Open University Press, 2002.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.