APA引文

Sidek, N. F. (2013). Types of muscle activated during crunch performed traditionally and on stability ball / Nurul Fizan Sidek.

Chicago Style (17th ed.) Citation

Sidek, Nurul Fizan. Types of Muscle Activated During Crunch Performed Traditionally and on Stability Ball / Nurul Fizan Sidek. 2013.

MLA引文

Sidek, Nurul Fizan. Types of Muscle Activated During Crunch Performed Traditionally and on Stability Ball / Nurul Fizan Sidek. 2013.

警告：這些引文格式不一定是100％准確.