Tohutoro APA (7th ed.)
Kotto, Y., Hurt, J., Skerritt, T., Weaver, S., Scott, R., & Cartwright, V. (1993). Alien. De Agostini.
Tohutoru Kātū Chicago (17th ed.)
Kotto, Yaphet, John Hurt, Tom Skerritt, Sigourney Weaver, Ridley Scott, me Veronica Cartwright. Alien. Novara: De Agostini, 1993.
Tohutoro MLA (9th ed.)
Kotto, Yaphet, et al. Alien. De Agostini, 1993.
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