Gaya APA
Todaro, M, P., Smith, S, C.
(2011).
Economic Development
(
Edisi tujuh)
.
England:
Pearson Education.
Gaya MLA
Todaro, Michael, P.., Smith, Stephen, C.
"Economic Development".
Edisi tujuh
England:
Pearson Education,
2011.
Texts.