Παραπομπή APA

(1969). Service to the nation through photo-optical instrumentation: Proceedings of the 13th annual technical symposium. [s.l.]: Society of Photo-optical Instrumentation Engineers.

Παραπομπή Chicago Style

Service to the Nation Through Photo-optical Instrumentation: Proceedings of the 13th Annual Technical Symposium. [s.l.]: Society of Photo-optical Instrumentation Engineers, 1969.

Παραπομπή MLA

Service to the Nation Through Photo-optical Instrumentation: Proceedings of the 13th Annual Technical Symposium. [s.l.]: Society of Photo-optical Instrumentation Engineers, 1969.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.