Martinez, C. (2015). Last order sa Penguin (UP jubilee student edition.). University of the Philippines Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMartinez, Chris. Last Order Sa Penguin. UP jubilee student edition. Quezon City: University of the Philippines Press, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMartinez, Chris. Last Order Sa Penguin. UP jubilee student edition. University of the Philippines Press, 2015.
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