APA Style
Heilbroner, R, L., THUROW, L, C.
(1985).
Lima Tantangan Perekonomian
(
1)
.
Jakarta:
Akademika Pressindo.
MLA Style
Heilbroner, Robert, L.., THUROW, LESTER, C..
"Lima Tantangan Perekonomian".
1
Jakarta:
Akademika Pressindo,
1985.
Text.