APA-viite (7. p.)

Winter, C. (1975). Ecological role of planktonic bacteriophages in the North Sea and the tropical Atlantic Ocean. Rijksuniversiteit te Groningen.

Chicago-viite (17. p.)

Winter, Christian. Ecological Role of Planktonic Bacteriophages in the North Sea and the Tropical Atlantic Ocean. Netherlands: Rijksuniversiteit te Groningen, 1975.

MLA-viite (8. p.)

Winter, Christian. Ecological Role of Planktonic Bacteriophages in the North Sea and the Tropical Atlantic Ocean. Rijksuniversiteit te Groningen, 1975.