Shoppell, R. W. Descriptive price-list of Shoppell's modern house designs. Co-operative Building Plan Association.
Chicago-Zitierstil (17. Ausg.)Shoppell, R. W. Descriptive Price-list of Shoppell's Modern House Designs. New York: Co-operative Building Plan Association.
MLA-Zitierstil (8. Ausg.)Shoppell, R. W. Descriptive Price-list of Shoppell's Modern House Designs. Co-operative Building Plan Association.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.