Bill, W. E. (1987). From boarding schools to self determination. Superintendentof Public Instruction.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBill, Willard E. From Boarding Schools to Self Determination. Olympia, Wash. (Old Capitol Bldg., FG-11, Olympia 98504): Superintendentof Public Instruction, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBill, Willard E. From Boarding Schools to Self Determination. Superintendentof Public Instruction, 1987.
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