Gaya APA
Spence, L, E. et al (1990).
Applied mathematics for the management life, and social sciences .
Gleuview:
Illionis, Scote, Foreman.
Gaya MLA
Spence, Lawrence, E.. et al.
"Applied mathematics for the management life, and social sciences".
Gleuview:
Illionis, Scote, Foreman,
1990.
Text.