Walsh, Tim. Play-doh. Timeless Toys: Classic Toys and the Playmakers Who Created Them. Kansas City: Andrews McMeel Publishing. 2005: 115–120 [2016-12-14]. ISBN 978-0-7407-5571-2. (原始内容存档于2019-05-19).
Walsh, Tim. Play-doh. Timeless Toys: Classic Toys and the Playmakers Who Created Them. Kansas City: Andrews McMeel Publishing. 2005: 115–120 [2016-12-14]. ISBN 978-0-7407-5571-2. (原始内容存档于2019-05-19).
Walsh, Tim. Play-doh. Timeless Toys: Classic Toys and the Playmakers Who Created Them. Kansas City: Andrews McMeel Publishing. 2005: 115–120 [2016-12-14]. ISBN 978-0-7407-5571-2. (原始内容存档于2019-05-19).
Walsh, Tim. Play-doh. Timeless Toys: Classic Toys and the Playmakers Who Created Them. Kansas City: Andrews McMeel Publishing. 2005: 115–120 [2016-12-14]. ISBN 978-0-7407-5571-2. (原始内容存档于2019-05-19).