Tohutoro APA (7th ed.)

Fritz, H. Archivmaterialien zu Helmut Fritz, 1943-2019.

Tohutoru Kātū Chicago (17th ed.)

Fritz, Helmut. Archivmaterialien Zu Helmut Fritz, 1943-2019.

Tohutoro MLA (9th ed.)

Fritz, Helmut. Archivmaterialien Zu Helmut Fritz, 1943-2019.

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