Παραπομπή σε μορφή APA (7η εκδ.)

Groenendijk, H. (1970). Problems in qualitative gaschromatographic analysis of steroids on open-hole capillary columns. Philips Research Laboratories.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Groenendijk, H. Problems in Qualitative Gaschromatographic Analysis of Steroids on Open-hole Capillary Columns. [Eindhoven, Netherlands: Philips Research Laboratories, 1970.

Παραπομπή σε μορφή MLA (8th εκδ.)

Groenendijk, H. Problems in Qualitative Gaschromatographic Analysis of Steroids on Open-hole Capillary Columns. Philips Research Laboratories, 1970.