Lua APA (7ú heag.)

Mathew Price. (2019). Diggers: Working Wheels. Mathew Price Ltd.

Lua i Stíl Chicago (17ú heag.)

Mathew Price. Diggers: Working Wheels. Mathew Price Ltd, 2019.

Lua MLA (9ú heag.)

Mathew Price. Diggers: Working Wheels. Mathew Price Ltd, 2019.

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