APA (7e ed.) Bronvermelding

Seminar of Celestial Mechanics and Space Research & Universitatea Babes-Bolyai. Sectia de Matematica. (1980). Seminar of celestial mechanics and space research: Preprint. Babes-Bolyai University, Faculty of Mathematics.

Chicago (17e ed.) Bronvermelding

Seminar of Celestial Mechanics and Space Research en Universitatea Babes-Bolyai. Sectia de Matematica. Seminar of Celestial Mechanics and Space Research: Preprint. Cluj-Napoca: Babes-Bolyai University, Faculty of Mathematics, 1980.

MLA (8e ed.) Bronvermelding

Seminar of Celestial Mechanics and Space Research en Universitatea Babes-Bolyai. Sectia de Matematica. Seminar of Celestial Mechanics and Space Research: Preprint. Babes-Bolyai University, Faculty of Mathematics, 1980.