Cita APA

Philips. (1981). PTI in brief. Nertherlands: Philips' Telecommunicatie Industrie BV.

Chicago Style Citation

Philips. PTI in Brief. Nertherlands: Philips' Telecommunicatie Industrie BV, 1981.

Cita MLA

Philips. PTI in Brief. Nertherlands: Philips' Telecommunicatie Industrie BV, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.