Gaya APA
Heijdra, B, J., Ploeg, F, V, D. (2002).
Foundation Of Modern MacroEconomics .
OXFORD NEW YORK:
OXFORD UNIVERSITY PRESS.
Gaya MLA
Heijdra, Ben, J.., Ploeg, Frederick, Van, Der.
"Foundation Of Modern MacroEconomics".
OXFORD NEW YORK:
OXFORD UNIVERSITY PRESS,
2002.
Text.