APA
Pitman publishing limited, . (1979). Verstappen's economy, Europe. Pitman publishing limited: Pitman publishing limited.
Chicago
Pitman publishing limited, . 1979. Verstappen's economy, Europe. Pitman publishing limited: Pitman publishing limited.
Harvard
Pitman publishing limited, . (1979). Verstappen's economy, Europe. Pitman publishing limited: Pitman publishing limited.
MLA
Pitman publishing limited, . Verstappen's economy, Europe. Pitman publishing limited: Pitman publishing limited. 1979.