Allen, R. (2007). The essentials of science, grades 7-12: Effective curriculum, instruction, and assessment. Association for Supervision and Curriculum Development.
Cytowanie według stylu Chicago (wyd. 17)Allen, Rick. The Essentials of Science, Grades 7-12: Effective Curriculum, Instruction, and Assessment. Alexandria, Va.: Association for Supervision and Curriculum Development, 2007.
Cytowanie według stylu MLA (wyd. 9)Allen, Rick. The Essentials of Science, Grades 7-12: Effective Curriculum, Instruction, and Assessment. Association for Supervision and Curriculum Development, 2007.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..