APA Style

LTD, C, P, P. (2017). MATHS - Activities and Puzzles using Thinking Skills and Heuristics (First Published). Singapore: Casco Publications PTE LTD.

MLA Style

LTD, Casco, Publications, PTE. "MATHS - Activities and Puzzles using Thinking Skills and Heuristics". First Published Singapore: Casco Publications PTE LTD, 2017. Text.