Sumardiono. (2007). Homeschooling A Leap for Better Learning = Lompatan Cara Belajar/ Sumardiono. Jakarta; Gramedia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSumardiono. Homeschooling A Leap for Better Learning = Lompatan Cara Belajar/ Sumardiono. Jakarta; Gramedia, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSumardiono. Homeschooling A Leap for Better Learning = Lompatan Cara Belajar/ Sumardiono. Jakarta; Gramedia, 2007.
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