Ruiz, M., Jr. (2015). The five levels of attachment (First paperback edition.). Hierophant Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRuiz, Miguel, Jr. The Five Levels of Attachment. First paperback edition. San Antonio, TX: Hierophant Publishing, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRuiz, Miguel, Jr. The Five Levels of Attachment. First paperback edition. Hierophant Publishing, 2015.
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