Cita APA (7th ed.)

Mark Levesly. (2021). Cambridge Lower Secondary Science Stage 9: Student's Book. HarperCollins.

Cita Chicago (17th ed.)

Mark Levesly. Cambridge Lower Secondary Science Stage 9: Student's Book. London: HarperCollins, 2021.

Cita MLA (9th ed.)

Mark Levesly. Cambridge Lower Secondary Science Stage 9: Student's Book. HarperCollins, 2021.