APA (7th ed.) Citation

Ashadi Siregar ...et al. editor, A. S. Umar Kayam dan jaring semiotik. Pustaka Pelajar.

Chicago Style (17th ed.) Citation

Ashadi Siregar ...et al. editor, Aprinus Salam. Umar Kayam Dan Jaring Semiotik. Pustaka Pelajar.

MLA (8th ed.) Citation

Ashadi Siregar ...et al. editor, Aprinus Salam. Umar Kayam Dan Jaring Semiotik. Pustaka Pelajar.

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