APA-čujuhus (7. p.)
ebrary, Inc, & Levinson, R. (1994). Teaching science. Routledge in association with the Open University.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Ralph Levinson. Teaching Science. London ; New York: Routledge in association with the Open University, 1994.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Ralph Levinson. Teaching Science. Routledge in association with the Open University, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.