APA Citation

Ludlum, R., & Sendra Tanuwidjaja, B. (2003). Kode sigma. Jakarta: Gramedia Pustaka Utama.

Chicago Style Citation

Ludlum, Robert, and B. Sendra Tanuwidjaja. Kode Sigma. Jakarta: Gramedia Pustaka Utama, 2003.

MLA Citation

Ludlum, Robert, and B. Sendra Tanuwidjaja. Kode Sigma. Jakarta: Gramedia Pustaka Utama, 2003.

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