Cita APA (7th ed.)

Feasy, R., & Johnson, H. (1999). Primary science and literacy. The Association for Science Education.

Cita Chicago (17th ed.)

Feasy, Rosemary, i Helen Johnson. Primary Science and Literacy. Hatfield: The Association for Science Education, 1999.

Cita MLA (9th ed.)

Feasy, Rosemary, i Helen Johnson. Primary Science and Literacy. The Association for Science Education, 1999.