Hibbard, K. M. (1971). An approach to the development and assessment of instruction in science at the first grade level: The concept of a particulate model for matter.
Chicago Style (17th ed.) CitationHibbard, Kenneth Michael. An Approach to the Development and Assessment of Instruction in Science at the First Grade Level: The Concept of a Particulate Model for Matter. 1971.
MLA (8th ed.) CitationHibbard, Kenneth Michael. An Approach to the Development and Assessment of Instruction in Science at the First Grade Level: The Concept of a Particulate Model for Matter. 1971.
Warning: These citations may not always be 100% accurate.