Reinier Sybrand Bakels 1873-1956 (tentoonstelling Assen, Drents museum, 1991.04.27 - 1991.06.17 ; Museum Scheveningen, 1991.09.15 - 1992.01.15 ; Harderwijk, Veluws museum, 1992.02.15 - 1992.06.15).

MLA

Knol, Margriet, and Floris B Bakels. Reinier Sybrand Bakels 1873-1956 (tentoonstelling Assen, Drents Museum, 1991.04.27 - 1991.06.17 ; Museum Scheveningen, 1991.09.15 - 1992.01.15 ; Harderwijk, Veluws Museum, 1992.02.15 - 1992.06.15). Assen: Drents Museum, 1991.

APA

Knol, M., & Bakels, F. B. (1991). Reinier Sybrand Bakels 1873-1956 (tentoonstelling Assen, Drents museum, 1991.04.27 - 1991.06.17 ; Museum Scheveningen, 1991.09.15 - 1992.01.15 ; Harderwijk, Veluws museum, 1992.02.15 - 1992.06.15). Assen: Drents Museum.

Chicago

Knol, Margriet, and Floris B Bakels. Reinier Sybrand Bakels 1873-1956 (tentoonstelling Assen, Drents Museum, 1991.04.27 - 1991.06.17 ; Museum Scheveningen, 1991.09.15 - 1992.01.15 ; Harderwijk, Veluws Museum, 1992.02.15 - 1992.06.15). Assen: Drents Museum, 1991.