Dyfyniad APA

THE 1990 ANNUAL.. (1987). The 1990 annual official volleyball reference guide ofthe United State. United State Volleyball Ass.

Dyfyniad Arddull Chicago

THE 1990 ANNUAL.. The 1990 Annual Official Volleyball Reference Guide Ofthe United State. East Boulder: United State Volleyball Ass, 1987.

Dyfyniad MLA

THE 1990 ANNUAL.. The 1990 Annual Official Volleyball Reference Guide Ofthe United State. United State Volleyball Ass, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.