Geyer, H., & Tagwerker, F. (1985). The pig's hoof: Its structure and alterations. Zurich: Roche.
Citación estilo ChicagoGeyer, Hans, and Franz Tagwerker. The Pig's Hoof: Its Structure and Alterations. Zurich: Roche, 1985.
Cita MLAGeyer, Hans, and Franz Tagwerker. The Pig's Hoof: Its Structure and Alterations. Zurich: Roche, 1985.
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