Παραπομπή APA

Harlow,Chris. (1977). Innovation and productivity under nationalism: The first thirty years. George Allen & Unwin Ltd.

Παραπομπή Chicago Style

Harlow,Chris. Innovation and Productivity Under Nationalism: The First Thirty Years. London: George Allen & Unwin Ltd, 1977.

Παραπομπή MLA

Harlow,Chris. Innovation and Productivity Under Nationalism: The First Thirty Years. George Allen & Unwin Ltd, 1977.