Dyfyniad APA

JOURNAL OF LANDSCAPE ARCHITECTURE: PAST CONTINUOUS IS FUTURE PERFECT.

Dyfyniad Arddull Chicago

JOURNAL OF LANDSCAPE ARCHITECTURE: PAST CONTINUOUS IS FUTURE PERFECT.

Dyfyniad MLA

JOURNAL OF LANDSCAPE ARCHITECTURE: PAST CONTINUOUS IS FUTURE PERFECT.

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