Lena Abdullah & Lai, M. (2006). A step-by-step Maths problem solving guide 3: Algebraic expression iii, algebraic formulae, lines and angles ii, circles ii (book 1). Jade Green Publications.
Chicago Style (17th ed.) CitationLena Abdullah and Magdalene Lai. A Step-by-step Maths Problem Solving Guide 3: Algebraic Expression Iii, Algebraic Formulae, Lines and Angles Ii, Circles Ii (book 1). Kuala Lumpur: Jade Green Publications, 2006.
MLA (9th ed.) CitationLena Abdullah and Magdalene Lai. A Step-by-step Maths Problem Solving Guide 3: Algebraic Expression Iii, Algebraic Formulae, Lines and Angles Ii, Circles Ii (book 1). Jade Green Publications, 2006.
Warning: These citations may not always be 100% accurate.