Fox, R. B. (1959). The Calatagan excavations: Two fifteenth century burial sites in Batangas, Philippines. [s.n.
Citazione stile Chigago Style (17a edizione)Fox, Robert B. The Calatagan Excavations: Two Fifteenth Century Burial Sites in Batangas, Philippines. Manila: [s.n, 1959.
Citatione MLA (9a ed.)Fox, Robert B. The Calatagan Excavations: Two Fifteenth Century Burial Sites in Batangas, Philippines. [s.n, 1959.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.