APA-čujuhus (7. p.)

THOMAS T. (1993). TO CHALLENGE AND TO CHANGE. PENGUIN BOOKS INDIA (P) LTD.

Chicago-čujuhus (17. p.)

THOMAS T. TO CHALLENGE AND TO CHANGE. NEW DELHI: PENGUIN BOOKS INDIA (P) LTD, 1993.

MLA-čujuhus (9. p.)

THOMAS T. TO CHALLENGE AND TO CHANGE. PENGUIN BOOKS INDIA (P) LTD, 1993.

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