APA (7th ed.) Citation

Helmi, A. Y. (1954). The importance of rubber in the economic life of the population of Indonesia. Tintamas.

Chicago Style (17th ed.) Citation

Helmi, Alfian Y. The Importance of Rubber in the Economic Life of the Population of Indonesia. Djakarta: Tintamas, 1954.

MLA (9th ed.) Citation

Helmi, Alfian Y. The Importance of Rubber in the Economic Life of the Population of Indonesia. Tintamas, 1954.

Warning: These citations may not always be 100% accurate.