Frewen, T. (1990). 1990: The book. Wordsmith Partnership.
Tohutoru Chicago (17th ed.)Frewen, Tom. 1990: The Book. Waiheke Island, N.Z: Wordsmith Partnership, 1990.
Tohutoro MLA (8th ed.)Frewen, Tom. 1990: The Book. Wordsmith Partnership, 1990.
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