Tohutoro APA (7th ed.)
Koeman, C. (1972). The Sea on paper: The story of the Van Keulens and their "Sea-torch". Theatorium Orbis Terrarum.
Tohutoru Kātū Chicago (17th ed.)
Koeman, Cornelis. The Sea on Paper: The Story of the Van Keulens and Their "Sea-torch". Amsterdam: Theatorium Orbis Terrarum, 1972.
Tohutoro MLA (9th ed.)
Koeman, Cornelis. The Sea on Paper: The Story of the Van Keulens and Their "Sea-torch". Theatorium Orbis Terrarum, 1972.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.