The Mathematical Association of Western Australia & Title : One hundred mathematical problems for students aged 11 to 13 years. 100 mathematical problems for students aged 11 to 13 years. Mathematical Association of Western Australia, c1980.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিThe Mathematical Association of Western Australia এবং Title : One hundred mathematical problems for students aged 11 to 13 years. 100 Mathematical Problems for Students Aged 11 to 13 Years. [s.l.]: Mathematical Association of Western Australia, c1980.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিThe Mathematical Association of Western Australia এবং Title : One hundred mathematical problems for students aged 11 to 13 years. 100 Mathematical Problems for Students Aged 11 to 13 Years. Mathematical Association of Western Australia, c1980.