Стиль цитування APA (7-ме видання)

Ours, J. C. v., & Ridder, G. (1989). An empirical analysis of vacancy durations and vacancy flows: Cyclical variation and job requirements. Institute of Economic Research, Faculty of Economics, University of Groningen.

Чикаго стиль цитування (17-те видання)

Ours, J. C. van, та Geert Ridder. An Empirical Analysis of Vacancy Durations and Vacancy Flows: Cyclical Variation and Job Requirements. Groningen: Institute of Economic Research, Faculty of Economics, University of Groningen, 1989.

Стиль цитування MLA (8-ме видання)

Ours, J. C. van, та Geert Ridder. An Empirical Analysis of Vacancy Durations and Vacancy Flows: Cyclical Variation and Job Requirements. Institute of Economic Research, Faculty of Economics, University of Groningen, 1989.