Gaya APA
TODARO, M, P., SMITH, S, C.
(2006).
Economic development
(
9th ed.)
.
England:
Pearson Eddison Wesley.
Gaya MLA
TODARO, Michael, P.., SMITH, Stephen, C..
"Economic development".
9th ed.
England:
Pearson Eddison Wesley,
2006.
Buku.