Gaya APA
Hazewinkel, M.
(1995).
Encyclopaedia of mathematics Volume 4
.
Singapura:
Kluwe Academic Publisher, 1989.
Gaya MLA
Hazewinkel, M..
"Encyclopaedia of mathematics Volume 4".
Singapura:
Kluwe Academic Publisher, 1989,
1995.
Text.