Arce, W. F. (2001). Systematic qualitative data research: An introduction for Filipino practitioners (2nd ed.). Office of Research and Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArce, Wilfredo F. Systematic Qualitative Data Research: An Introduction for Filipino Practitioners. 2nd ed. Quezon City: Office of Research and Publications, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रArce, Wilfredo F. Systematic Qualitative Data Research: An Introduction for Filipino Practitioners. 2nd ed. Office of Research and Publications, 2001.
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