APA (7th ed.) Citation

Verhaar, C. H. A. (1990). Frisian long term unemployment.

Chicago Style (17th ed.) Citation

Verhaar, Cornelis H. A. Frisian Long Term Unemployment. Ljouwert, 1990.

MLA (9th ed.) Citation

Verhaar, Cornelis H. A. Frisian Long Term Unemployment. 1990.

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