Prof.; agrotechnika, agronomia, chemia rolna.

Kp. Sustainable agriculture and rural area development / [Ed. Andrzej Sapek, Jan Świtała]. - Falenty, 1997.

INP'1992/1993

Kp. Effects of liming and nitrogen fertilizer application on soil acidity [...] / ed. O. Oenema and A. Sapek. - Falenty, 2000.

Kp. Torf i wyroby z torfu - Oznaczania azotu amonowego : norma branżowa / [Andrzej Sapak, Barbara Sapak]. - [Warszawa], 1983.