(1982). [Koenigsberg: Nordbahnhof].
Tohutoru Kātū Chicago (17th ed.)[Koenigsberg: Nordbahnhof]. 1982.
Tohutoro MLA (9th ed.)[Koenigsberg: Nordbahnhof]. 1982.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)