Lua APA (7ú heag.)

PARRAGON. (2011). SPOT THE DIFFERENCE 100 BRAND NEW PICTUE PUZZLES- CAN YOU SPY ALL THE DIFFERENCES ? PARRAGON.

Lua i Stíl Chicago (17ú heag.)

PARRAGON. SPOT THE DIFFERENCE 100 BRAND NEW PICTUE PUZZLES- CAN YOU SPY ALL THE DIFFERENCES ? BATH: PARRAGON, 2011.

Lua MLA (9ú heag.)

PARRAGON. SPOT THE DIFFERENCE 100 BRAND NEW PICTUE PUZZLES- CAN YOU SPY ALL THE DIFFERENCES ? PARRAGON, 2011.

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