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1de réir Thompson, William R.Available for University of the Philippines Diliman via Gale Virtual Reference Library. Click here to access
Foilsithe / Cruthaithe 2012
Electronic Resource -
2
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3Foilsithe / Cruthaithe 2010Available for University of the Philippines System via Gale Virtual Reference Library. Click here to access
Electronic Resource -
4
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5de réir Hilbink, LisaAvailable for University of the Philippines Diliman via Cambridge. Click here to access
Foilsithe / Cruthaithe 2007
Electronic Resource -
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7
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8de réir Caenegem, R. C.Available for University of the Philippines Diliman via Cambridge. Click here to access
Foilsithe / Cruthaithe 1987
Electronic Resource