References Padroado

donald f. lach, asia in making of europe, vol. 1: century of discovery (book 1 of 2), chicago , london: university of chicago press, 1965, pp. 230–245 (the portuguese padroado [patronage] of east)
e. wijeysingha (2006), going forth. catholic church in singapore 1819-2004, isbn 981-05-5703-5