APA (7th ed.) Citation

Lena Abdullah & Lai, M. (2006). A step-by-step Maths problem solving guide 2: Directed numbers, Algebraic expressions II, Linear equations, Loci in two dimensions. Jade Green Publications.

Chicago Style (17th ed.) Citation

Lena Abdullah and Magdalene Lai. A Step-by-step Maths Problem Solving Guide 2: Directed Numbers, Algebraic Expressions II, Linear Equations, Loci in Two Dimensions. Kuala Lumpur: Jade Green Publications, 2006.

MLA (9th ed.) Citation

Lena Abdullah and Magdalene Lai. A Step-by-step Maths Problem Solving Guide 2: Directed Numbers, Algebraic Expressions II, Linear Equations, Loci in Two Dimensions. Jade Green Publications, 2006.