APA (7th ed.) Citation

(2006). Gempa Jogja, Indonesia & Dunia. Gramedia.

Chicago Style (17th ed.) Citation

Gempa Jogja, Indonesia & Dunia. Gramedia, 2006.

MLA (8th ed.) Citation

Gempa Jogja, Indonesia & Dunia. Gramedia, 2006.

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