Lua APA (7ú heag.)

HOFFMANN MICHAEL. (2019). 100 WONDERS OF WORLD (2012 Ed.). PARRAGON BOOK PUBLISHERS.

Lua i Stíl Chicago (17ú heag.)

HOFFMANN MICHAEL. 100 WONDERS OF WORLD. 2012 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.

Lua MLA (9ú heag.)

HOFFMANN MICHAEL. 100 WONDERS OF WORLD. 2012 Ed. PARRAGON BOOK PUBLISHERS, 2019.

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