Parkin, J. (1887). The volcanic origin of epidemics (Popular ed.). London: Sampson Low, Marston, Searle, & Rivington.
Petikan Gaya ChicagoParkin, John. The Volcanic Origin of Epidemics. Popular ed. London: Sampson Low, Marston, Searle, & Rivington, 1887.
Petikan MLAParkin, John. The Volcanic Origin of Epidemics. Popular ed. London: Sampson Low, Marston, Searle, & Rivington, 1887.
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