Lua APA (7ú heag.)

(2019). Mental Maths - BOOK - 5 (2019.). Dhingra Publishing House.

Lua i Stíl Chicago (17ú heag.)

Mental Maths - BOOK - 5. 2019. Dhingra Publishing House, 2019.

Lua MLA (9ú heag.)

Mental Maths - BOOK - 5. 2019. Dhingra Publishing House, 2019.

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