Tejon, G. (1982). Juan Villaverde, O.P: Missionary and road-builder, 1841-1897 : a history of the Dominican missions in Ifugao. University of Santo Tomas.
Čikaški stil citiranja (17. izdanje)Tejon, Guillermo. Juan Villaverde, O.P: Missionary and Road-builder, 1841-1897 : A History of the Dominican Missions in Ifugao. Manila: University of Santo Tomas, 1982.
MLA način citiranja (9. izdanje)Tejon, Guillermo. Juan Villaverde, O.P: Missionary and Road-builder, 1841-1897 : A History of the Dominican Missions in Ifugao. University of Santo Tomas, 1982.
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