APA Citation

Rangkuti-Hasibuan, S. (1998). English Serial 1: Economics. Djambatan.

Chicago Style Citation

Rangkuti-Hasibuan, Sofia. English Serial 1: Economics. Djambatan, 1998.

MLA Citation

Rangkuti-Hasibuan, Sofia. English Serial 1: Economics. Djambatan, 1998.

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