Gaya APA
Blak, John, Brandley, James. (1980).
Essential mathematics for economists (2nd).
Chichester:
John Wiley & Sons.
Gaya Chicago
Blak, John, Brandley, James.
Essential mathematics for economists.
2nd
Chichester:
John Wiley & Sons,
1980.
Text.
Gaya MLA
Blak, John, Brandley, James.
Essential mathematics for economists.
2nd
Chichester:
John Wiley & Sons,
1980.
Text.
Gaya Turabian
Blak, John, Brandley, James.
Essential mathematics for economists.
2nd
Chichester:
John Wiley & Sons,
1980.
Print.