Shoppell, R. W. Descriptive price-list of Shoppell's modern house designs. Co-operative Building Plan Association.
Citación estilo ChicagoShoppell, R. W. Descriptive Price-list of Shoppell's Modern House Designs. New York: Co-operative Building Plan Association.
Cita MLAShoppell, R. W. Descriptive Price-list of Shoppell's Modern House Designs. Co-operative Building Plan Association.
Warning: These citations may not always be 100% accurate.