Lua APA (7ú heag.)

HARRISON, E. R. (2016). FRANK NEW CERTIFICATE BIOLOGY - ICSE- CLASS 8. FRANK BROS & CO.

Lua i Stíl Chicago (17ú heag.)

HARRISON, E R. FRANK NEW CERTIFICATE BIOLOGY - ICSE- CLASS 8. NEW DELHI: FRANK BROS & CO, 2016.

Lua MLA (9ú heag.)

HARRISON, E R. FRANK NEW CERTIFICATE BIOLOGY - ICSE- CLASS 8. FRANK BROS & CO, 2016.

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