(1939). Reval, Haus der Grossen Gilde.
Tohutoru Kātū Chicago (17th ed.)Reval, Haus Der Grossen Gilde. 1939.
Tohutoro MLA (9th ed.)Reval, Haus Der Grossen Gilde. 1939.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)