APA (7th ed.) Citation

(1989). World business travel guide (Updated and rev. ed.). SP Travel Books ;.

Chicago Style (17th ed.) Citation

World Business Travel Guide. Updated and rev. ed. Toronto ; London: SP Travel Books ;, 1989.

MLA (9th ed.) Citation

World Business Travel Guide. Updated and rev. ed. SP Travel Books ;, 1989.

Warning: These citations may not always be 100% accurate.