Παραπομπή APA

Barnard, C. (2001). Asking questions in biology: Key skills for practical assessments and project work. Harlow: Pearson Education.

Παραπομπή Chicago Style

Barnard, Chris. Asking Questions in Biology: Key Skills for Practical Assessments and Project Work. Harlow: Pearson Education, 2001.

Παραπομπή MLA

Barnard, Chris. Asking Questions in Biology: Key Skills for Practical Assessments and Project Work. Harlow: Pearson Education, 2001.

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