Gaya APA

Keen, Peter G.W.. (1988). Competing in time: using telecommunications for competitive advantage . USA: Ballinger.

Gaya Chicago

Keen, Peter G.W.. Competing in time: using telecommunications for competitive advantage. USA: Ballinger, 1988. Text.

Gaya MLA

Keen, Peter G.W.. Competing in time: using telecommunications for competitive advantage. USA: Ballinger, 1988. Text.

Gaya Turabian

Keen, Peter G.W.. Competing in time: using telecommunications for competitive advantage. USA: Ballinger, 1988. Print.