Ruth Johnson Jay. Sing-along story time for little people no.1. s.n.].
Cita Chicago (17th ed.)Ruth Johnson Jay. Sing-along Story Time for Little People No.1. [S.l: s.n.].
Cita MLA (9th ed.)Ruth Johnson Jay. Sing-along Story Time for Little People No.1. s.n.].
Atenció: Aquestes cites poden no estar 100% correctes.