APA

Elsholz J., Bortfeld M., . (1978). Investigation into the identification and interpretation of automotive indicators and controls. Warrendale, PA: SAE Technical Paper Series nr 78 03 40.

Chicago

Elsholz J, Bortfeld M, . 1978. Investigation into the identification and interpretation of automotive indicators and controls. Warrendale, PA: SAE Technical Paper Series nr 78 03 40.

Harvard

Elsholz J., Bortfeld M., . (1978). Investigation into the identification and interpretation of automotive indicators and controls. Warrendale, PA: SAE Technical Paper Series nr 78 03 40.

MLA

Elsholz J, Bortfeld M, . Investigation into the identification and interpretation of automotive indicators and controls. Warrendale, PA: SAE Technical Paper Series nr 78 03 40. 1978.