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