APA (7th ed.) Citation

Firdaus, Y. S. Keajaiban Ikhlas( The Miracle of Sincerity). Bintang Indonesia.

Chicago Style (17th ed.) Citation

Firdaus, Yeni S. Keajaiban Ikhlas( The Miracle of Sincerity). Bintang Indonesia.

MLA (8th ed.) Citation

Firdaus, Yeni S. Keajaiban Ikhlas( The Miracle of Sincerity). Bintang Indonesia.

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