Παραπομπή APA

Calzetti, S., Findley, L. J., Gresty, M. A., Perucca, E., & Richens, A. (1981). Metoprolol and propranolol in essential tremor: A double-blind, controlled study.

Παραπομπή Chicago Style

Calzetti, S., L J. Findley, M A. Gresty, E. Perucca, και A. Richens. Metoprolol and Propranolol in Essential Tremor: A Double-blind, Controlled Study. 1981.

Παραπομπή MLA

Calzetti, S., et al. Metoprolol and Propranolol in Essential Tremor: A Double-blind, Controlled Study. 1981.

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