Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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