APA (7th ed.) Citation

Timah, P. (1970). Timah di Indonesia. Humas PN Timah.

Chicago Style (17th ed.) Citation

Timah, PN. Timah Di Indonesia. Humas PN Timah, 1970.

MLA (8th ed.) Citation

Timah, PN. Timah Di Indonesia. Humas PN Timah, 1970.

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