APA (7th ed.) Citation

PTB Liège. (2016). PTB info - sidérurgie Liège. Bruxelles: PTB.

Chicago Style (17th ed.) Citation

PTB Liège. PTB Info - Sidérurgie Liège. Bruxelles: PTB, 2016.

MLA (8th ed.) Citation

PTB Liège. PTB Info - Sidérurgie Liège. Bruxelles: PTB, 2016.

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