HP/De Tijd (English Wikipedia)

Jacco Hakfoort; Jürgen Weigand. "Magazine Publishing - A Quiet Life? The Dutch Market for Consumer Magazines" (PDF). Centraal Plan Bureau. Archived (PDF) from the original on 2 November 2014. Retrieved 1 November 2014.

government.nl

"Journalism and the press". Government of the Netherlands. Retrieved 9 December 2014.

"HP/De Tijd gaat zelfstandig verder". HP/De Tijd. 29 March 2022. Na 31 jaar als weekblad en vervolgens maandblad onder de vleugels van moederconcern Audax te hebben geopereerd, zal HP/De Tijd zelfstandig verdergaan.

"HP/De Tijd expands content to attract a wider audience". Publicitas. 28 April 2009. Archived from the original on 9 December 2014. Retrieved 9 December 2014.
"HP/De Tijd becomes monthly frequency". Publicitas. 2 April 2012. Archived from the original on 9 December 2014. Retrieved 9 December 2014.

"HP/De Tijd expands content to attract a wider audience". Publicitas. 28 April 2009. Archived from the original on 9 December 2014. Retrieved 9 December 2014.
"HP/De Tijd becomes monthly frequency". Publicitas. 2 April 2012. Archived from the original on 9 December 2014. Retrieved 9 December 2014.
Jacco Hakfoort; Jürgen Weigand. "Magazine Publishing - A Quiet Life? The Dutch Market for Consumer Magazines" (PDF). Centraal Plan Bureau. Archived (PDF) from the original on 2 November 2014. Retrieved 1 November 2014.