Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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