Gaya APA

Welsh, J, A., White, J, A. (1983). The Entrepreneur's master planning guide : how to launch a successful business . Englewood Cliffs: Prentce-Hall.

Gaya MLA

Welsh, John, A.., White, John, A.. "The Entrepreneur's master planning guide : how to launch a successful business". Englewood Cliffs: Prentce-Hall, 1983. Buku/Printed Material.