George, F., S., Nugroho, P.(1994).The Muscle Fitness Book : A Practical Guide to Every day Fitness For EVERYONE beginner and Professional .Australia:Simon Schuster.
Gaya MLA
George, F., S., Nugroho, P..The Muscle Fitness Book : A Practical Guide to Every day Fitness For EVERYONE beginner and Professional.Australia:Simon Schuster,1994.Text.