<SUGIANTO, P. Distribusi momen dua siklus. Portland Cement Association (PCA).
Chicago Style (17th ed.) Citation<SUGIANTO, Paulus>. Distribusi Momen Dua Siklus. Portland Cement Association (PCA).
MLA引文<SUGIANTO, Paulus>. Distribusi Momen Dua Siklus. Portland Cement Association (PCA).
警告：这些引文格式不一定是100％准确.