Não informado. (1953). Landis and Gyr review. Landis and Gyr Zug Corporation.
Style de citation Chicago (17e éd.)Não informado. Landis and Gyr Review. Zug, Suíça: Landis and Gyr Zug Corporation, 1953.
Style de citation MLA (8e éd.)Não informado. Landis and Gyr Review. Landis and Gyr Zug Corporation, 1953.
Attention : ces citations peuvent ne pas être correctes à 100%.