Gygax, F. G., & Senn, N. (1988). 50 ans, Intrag SA, Gestion d'Investment Trusts, Zurich. Intrag SA.
Chicago Style (17th ed.) CitationGygax, F. G., and Nikolaus Senn. 50 Ans, Intrag SA, Gestion D'Investment Trusts, Zurich. Zurich: Intrag SA, 1988.
MLA (9th ed.) CitationGygax, F. G., and Nikolaus Senn. 50 Ans, Intrag SA, Gestion D'Investment Trusts, Zurich. Intrag SA, 1988.
Warning: These citations may not always be 100% accurate.