VANCOUVER Edition Citation

1.
Threshold signals. Lexington (Mass.): Boston technical publishers; 1964.

ISO690 Edition Citation

Threshold signals. Lexington (Mass.) : Boston technical publishers, 1 mai 1964

APA (7th ed.) Citation

(1964). Threshold signals. Boston technical publishers.

MLA (8th ed.) Citation

Threshold Signals. Boston technical publishers, 1964.

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