Johnston, B. (1989). practical assessment in science: Physics. heinemann Educational Books.
Chicago (17e ed.) BronvermeldingJohnston, Brian. Practical Assessment in Science: Physics. London: heinemann Educational Books, 1989.
MLA (9e ed.) BronvermeldingJohnston, Brian. Practical Assessment in Science: Physics. heinemann Educational Books, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.