"Po-Py". Century Dictionary, edited by William Dwight Whitney and Benjamin E. Smith, Piscataway, NJ, USA: Gorgias Press, 2009, pp. 4650-4880. https://doi.org/10.31826/9781463211257-006
"Po-Py" In Century Dictionary edited by William Dwight Whitney and Benjamin E. Smith, 4650-4880. Piscataway, NJ, USA: Gorgias Press, 2009. https://doi.org/10.31826/9781463211257-006