APA (7th ed.) Citation

WARSIDI, E. Ayo Siaga Menghedapi Bencana Alam. Putra Setia.

Chicago Style (17th ed.) Citation

WARSIDI, Edi. Ayo Siaga Menghedapi Bencana Alam. Putra Setia.

MLA (8th ed.) Citation

WARSIDI, Edi. Ayo Siaga Menghedapi Bencana Alam. Putra Setia.

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