(2000). Understanding detal hygiene. Canada: Lifelearn.
Trích dẫn kiểu ChicagoUnderstanding Detal Hygiene. Canada: Lifelearn, 2000.
MLA引文Understanding Detal Hygiene. Canada: Lifelearn, 2000.
警告:这些引文格式不一定是100%准确.
(2000). Understanding detal hygiene. Canada: Lifelearn.
Trích dẫn kiểu ChicagoUnderstanding Detal Hygiene. Canada: Lifelearn, 2000.
MLA引文Understanding Detal Hygiene. Canada: Lifelearn, 2000.