APA Style

Drucker, Peter F. (1985). Innovation And Entrepreneurship . United States of America: Collins Business.

Chicago Style

Drucker, Peter F. Innovation And Entrepreneurship. United States of America: Collins Business, 1985. Manajemen.

IEEE Style

*IEEE style untuk Skripsi

Drucker, Peter F. (1985). Innovation And Entrepreneurship. . United States of America: Collins Business.

*IEEE style untuk Buku/Jurnal

Drucker, Peter F. Innovation And Entrepreneurship. . United States of America: Collins Business, 1985.

MLA Style

Drucker, Peter F. Innovation And Entrepreneurship. United States of America: Collins Business, 1985. Manajemen.

Turabian Style

Drucker, Peter F. Innovation And Entrepreneurship. United States of America: Collins Business, 1985. Manajemen.