APA Citation

Williams, B., & Soni Astranto. (2007). Ada Apa di Bumi? Petis: What on Earth? Lightning. Jakarta: Erlangga.

Chicago Style Citation

Williams, Brian, and Soni Astranto. Ada Apa Di Bumi? Petis: What On Earth? Lightning. Jakarta: Erlangga, 2007.

MLA Citation

Williams, Brian, and Soni Astranto. Ada Apa Di Bumi? Petis: What On Earth? Lightning. Jakarta: Erlangga, 2007.

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