APA aipamena

PARKER, A. (2005). MENTAL MATHS STRATEGIES BOOK- 2. SHETH PUBLISHING HOUSE.

Chicago Style aipamena

PARKER, ALAN. MENTAL MATHS STRATEGIES BOOK- 2. SHETH PUBLISHING HOUSE, 2005.

MLA aipamena

PARKER, ALAN. MENTAL MATHS STRATEGIES BOOK- 2. SHETH PUBLISHING HOUSE, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.