APA (7th ed.) Citation

Rusyana, Y. (1989). Perihal kedwibahasaan (bilingualisme). Depdikbud.

Chicago Style (17th ed.) Citation

Rusyana, Yus. Perihal Kedwibahasaan (bilingualisme). Depdikbud, 1989.

MLA (8th ed.) Citation

Rusyana, Yus. Perihal Kedwibahasaan (bilingualisme). Depdikbud, 1989.

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