Penggayaan APA

ULMER, Melville J.. (1965). Ulmer economics: theory and practice second edition . USA: .

Chicago Style

ULMER, Melville J.. Ulmer economics: theory and practice second edition. USA: , 1965. Buku.

MLA Style

ULMER, Melville J.. Ulmer economics: theory and practice second edition. USA: , 1965. Buku.

Turabian Style

ULMER, Melville J.. Ulmer economics: theory and practice second edition. USA: , 1965. Buku.