APA (7e ed.) Bronvermelding

HARRISON. E. R. (2013). FRANK MODERN CERTIFICATE BIOLOGY FOR MIDDLE SCHOOL WORKBOOK CLASS-VII. FRANK BROS & CO.

Chicago (17e ed.) Bronvermelding

HARRISON. E. R. FRANK MODERN CERTIFICATE BIOLOGY FOR MIDDLE SCHOOL WORKBOOK CLASS-VII. FRANK BROS & CO, 2013.

MLA (9e ed.) Bronvermelding

HARRISON. E. R. FRANK MODERN CERTIFICATE BIOLOGY FOR MIDDLE SCHOOL WORKBOOK CLASS-VII. FRANK BROS & CO, 2013.

Let op: Deze citaties zijn niet altijd 100% accuraat.