Gaya APA
ASSAF, K., ASSAF, S, A. (1974).
Handbook of mathematical calculations : .
Ames, Iowa:
The Iowa State University Press.
Gaya MLA
ASSAF, Karen., ASSAF, Said, A..
"Handbook of mathematical calculations :".
Ames, Iowa:
The Iowa State University Press,
1974.
Buku.