Gaya APA
Rade, L, A, B. (1981).
Adventures with your pocket calculator, repr.ed. Cet.pertama 1977. .
[Harmondsworth]:
Penguin Books.
Gaya MLA
Rade, Lennart, And, B.A.Kaufman..
"Adventures with your pocket calculator, repr.ed. Cet.pertama 1977. ".
[Harmondsworth]:
Penguin Books,
1981.
Buku.