Cita APA (7th ed.)

Iordanova, D. (1999). ein expandierendes universum. Springerin.

Cita Chicago (17th ed.)

Iordanova, Dina. "Ein Expandierendes Universum." Springerin 1999.

Cita MLA (8th ed.)

Iordanova, Dina. "Ein Expandierendes Universum." Springerin, 1999.