Manahan, T. (2012). Rafael Del Casal and the mode of drawing. Philippine Daily Inquirer.
Chicago-viite (17. p.)Manahan, Tats. "Rafael Del Casal and the Mode of Drawing." Philippine Daily Inquirer 2012.
MLA-viite (9. p.)Manahan, Tats. "Rafael Del Casal and the Mode of Drawing." Philippine Daily Inquirer, 2012.
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