APA Style

Lee, Helen. (2007). New Syllabus Science Primary 4 . Singapore: Educational Publishing House.

Chicago Style

Lee, Helen. New Syllabus Science Primary 4. Singapore: Educational Publishing House, 2007. Text.

MLA Style

Lee, Helen. New Syllabus Science Primary 4. Singapore: Educational Publishing House, 2007. Text.

Turabian Style

Lee, Helen. New Syllabus Science Primary 4. Singapore: Educational Publishing House, 2007. Print.