APA (7th ed.) Citation

Gunawan, L. INSOMNIA Gangguan Sulit Tidur. Kanisius.

Chicago Style (17th ed.) Citation

Gunawan, L. INSOMNIA Gangguan Sulit Tidur. Kanisius.

MLA (8th ed.) Citation

Gunawan, L. INSOMNIA Gangguan Sulit Tidur. Kanisius.

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