APA (7e ed.) Bronvermelding

HARRISON, E. R. (2016). FRANK NEW CERTIFICATE BIOLOGY - ICSE- WORKBOOK - CLASS 6. FRANK BROS & CO.

Chicago (17e ed.) Bronvermelding

HARRISON, E R. FRANK NEW CERTIFICATE BIOLOGY - ICSE- WORKBOOK - CLASS 6. NEW DELHI: FRANK BROS & CO, 2016.

MLA (9e ed.) Bronvermelding

HARRISON, E R. FRANK NEW CERTIFICATE BIOLOGY - ICSE- WORKBOOK - CLASS 6. FRANK BROS & CO, 2016.