APA-čujuhus (7. p.)
Hillis, D. (1974). Is there Really only one way? Vision house.
Chicago-čujuhus (17. p.)
Hillis, Dick. Is There Really Only One Way? Santa Ana ,Califonia: Vision house, 1974.
MLA-čujuhus (9. p.)
Hillis, Dick. Is There Really Only One Way? Vision house, 1974.
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