APA (7th ed.) Citation

Chew,Magdalene. System's Student's Companion For Lower Secondary Schools. Singapore.

Chicago Style (17th ed.) Citation

Chew,Magdalene. System's Student's Companion For Lower Secondary Schools. System Publishing House: Singapore.

MLA (9th ed.) Citation

Chew,Magdalene. System's Student's Companion For Lower Secondary Schools. Singapore.

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