APA (7th ed.) Citation

Ulli Hermono & Hassan Noor. Kitaran semula barangan plastik. SynergyMedia.

Chicago Style (17th ed.) Citation

Ulli Hermono and Hassan Noor. Kitaran Semula Barangan Plastik. KL: SynergyMedia.

MLA (9th ed.) Citation

Ulli Hermono and Hassan Noor. Kitaran Semula Barangan Plastik. SynergyMedia.

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