APA-čujuhus (7. p.)

Pierson, R. H. (1966). What shall I speak about? Southern Publishing Ass.

Chicago-čujuhus (17. p.)

Pierson, Roberto H. What Shall I Speak About? Southern Publishing Ass, 1966.

MLA-čujuhus (9. p.)

Pierson, Roberto H. What Shall I Speak About? Southern Publishing Ass, 1966.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.