Manalo, J. M. (1988). A clear step-by-step approach towards excellence in English grammar. Communications Upgrade, Philippines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रManalo, Jose M. A Clear Step-by-step Approach Towards Excellence in English Grammar. Quezon City: Communications Upgrade, Philippines, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रManalo, Jose M. A Clear Step-by-step Approach Towards Excellence in English Grammar. Communications Upgrade, Philippines, 1988.
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