Gaya APA

Seven Ways at Once (Book 2). (1991). : .

Gaya Chicago

Seven Ways at Once (Book 2). Cet.ke-1. : , 1991. Text.

Gaya MLA

Seven Ways at Once (Book 2). Cet.ke-1. : , 1991. Text.

Gaya Turabian

Seven Ways at Once (Book 2). : , 1991. Print.