APA Citation

Gavrilov, L. A., & Gavrilova, N. S. (1993). When your time's up.

Citação norma Chicago

Gavrilov, Leonid A., and Natalia S. Gavrilova. When Your Time's Up. 1993.

MLA Citation

Gavrilov, Leonid A., and Natalia S. Gavrilova. When Your Time's Up. 1993.

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