APA引文

Helmi, A. Y. The importance of rubber in the economic life of the population of Indonesia. s,n.

Chicago Style (17th ed.) Citation

Helmi, Alfian Y. The Importance of Rubber in the Economic Life of the Population of Indonesia. s,n.

MLA引文

Helmi, Alfian Y. The Importance of Rubber in the Economic Life of the Population of Indonesia. s,n.

警告：这些引文格式不一定是100％准确.