Tohutoro APA (7th ed.)
In memoriam Ernst Friesenhahn.
Tohutoru Kātū Chicago (17th ed.)
In Memoriam Ernst Friesenhahn.
Tohutoro MLA (9th ed.)
In Memoriam Ernst Friesenhahn.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.