APA (7th ed.) Citation

(1979). Internationale Fernsprechstatistik: = International telephone statistics (Stand: 1. Januar 1978.).

Chicago Style (17th ed.) Citation

Internationale Fernsprechstatistik: = International Telephone Statistics. Stand: 1. Januar 1978. München, 1979.

MLA (9th ed.) Citation

Internationale Fernsprechstatistik: = International Telephone Statistics. Stand: 1. Januar 1978. 1979.

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