{"source":"book","style":"apa","contributors": [{"function":"author","last":"Parnell","first":"Henry"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"A treatise on roads : wherein the principles on which roads should be made are explained and illustrated, by the plans, specifications, and contracts made use of by Thomas Telford, Esq. on the Holyhead Road","publisher":"Longman, Rees, Orme, Brown, Green & Longman","city":"London","year":"1833"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"31012332"}