Não informado. (2004). Skrifter. Royal Norwegian Society of Science and Letters.
Style de citation Chicago (17e éd.)Não informado. Skrifter. Trondheim, Noruega: Royal Norwegian Society of Science and Letters, 2004.
Style de citation MLA (8e éd.)Não informado. Skrifter. Royal Norwegian Society of Science and Letters, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.