United States. Bureau of the Census & Delaware. Public Archives Commission. (2004). United States Census, State of Delaware: Agriculture schedules. Delaware Public Archives.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States. Bureau of the Census και Delaware. Public Archives Commission. United States Census, State of Delaware: Agriculture Schedules. [Dover, Del.: Delaware Public Archives, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)United States. Bureau of the Census και Delaware. Public Archives Commission. United States Census, State of Delaware: Agriculture Schedules. Delaware Public Archives, 2004.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.