APA-viite (7. p.)
Hughes, C. (1957). A differentiated basic Sill enclosed in the Skaergaard intrusion, East Greenland.
Chicago-viite (17. p.)
Hughes, C.J. A Differentiated Basic Sill Enclosed in the Skaergaard Intrusion, East Greenland. 1957.
MLA-viite (9. p.)
Hughes, C.J. A Differentiated Basic Sill Enclosed in the Skaergaard Intrusion, East Greenland. 1957.
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