Hindle, Tim
Harvard Business, 1993
Buku Referensi
chief contributor, Tim Hindle ; edited by Alistair D. Williamson
Harvard Business School Press, 1994
Buku Referensi
chief contributor, Tim Hindle ; edited with an introduction by. Margaret Lawrence
Harvard Business School Press, 1994
Buku Referensi
Kennedy, Gavin
Harvard Business School Press, 994
Buku Referensi
Vernon, Mark
RajaGrafindo Persada, 2011
Buku Teks