Wolters, P. H. Neighbours: P. H. Wolters. Schroën.
Cita Chicago (17th ed.)Wolters, Peter Hubert. Neighbours: P. H. Wolters. Heythuysen (Holland): Schroën.
Cita MLA (8th ed.)Wolters, Peter Hubert. Neighbours: P. H. Wolters. Schroën.
Atenció: Aquestes cites poden no estar 100% correctes.